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Cos Cob Weather Map
UTC Time: 9/13/2026, 15:05
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Cos Cob, CT Regional Weather

Expires:202609131600;;385521
ASUS41 KOKX 131505
RWROKX

Regional Weather Roundup
National Weather Service New York NY
1100 AM EDT SUN SEP 13 2026

Note: "FAIR" indicates few or no clouds below 12,000 feet with no
significant weather and/or obstructions to visibility.


CTZ002-004>006-009-010-012-RIZ004-006-007-MAZ004-011-015-131600-
Southern New England

 In CT
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Bradley Intl   RAIN      64  63  96 CALM      29.94F FOG              
Hartford       RAIN      65  64  97 N3        29.93F FOG              
Danbury        LGT RAIN  67  66  97 CALM      29.93F FOG              
Wtrbury/Oxford LGT RAIN  66  65  96 E6        29.94F                  
Norwalk Harbor   N/A    N/A N/A N/A NE2         N/A                   
Bridgeport     HVY RAIN  70  69  97 N9        29.90F VSB 1            
Meriden        HVY RAIN  65  65 100 CALM      29.92F FOG              
New Haven      RAIN      69  68  96 NE10      29.92S FOG              
Chester        LGT RAIN  70  70 100 CALM      29.95F                  
Groton         LGT RAIN  72  71  97 VRB5      29.94R VSB 1            
Willimantic    RAIN      68  67  96 S3        29.95S FOG              

 In RI
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Providence     HVY RAIN  68  68 100 E5        29.97S VSB 1/2          
Block Island   LGT RAIN  71  70  96 S10       29.93F FOG              
Westerly       HVY RAIN  70  70 100 S6        29.93S VSB 3/4          
 
In MA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Boston         RAIN      67  64  90 S5        29.98S                  
Worcester      HVY RAIN  63  63 100 E5        29.98F VSB 1/4          
Westfield      RAIN      63  63 100 NW6       29.94F FOG              
Provincetown   LGT RAIN  67  64  90 SE8       30.01S                  
Nantucket      LGT RAIN  67  66  97 E12       29.97F                  
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Cos Cob, CT

Today
Thunderstorms
78°/ 48° 26°/
50%
Monday
Sunny
65°/ 38° 18°/
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
30%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Rain Showers
75°/ 55° 24°/ 13°
50%
Friday
Rain Showers
72°/ 48° 22°/
40%

Day: Mostly cloudy late this morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 40s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.

Southern Westchester, NY

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
20%
Tuesday
Sunny
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Sunny
80°/ 65° 27°/ 18°
0%
Friday
Rain Showers
78°/ 62° 26°/ 17°
40%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the upper 70s. East winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. A slight chance of showers after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent.

Northern Westchester, NY

Today
Thunderstorms
78°/ 62° 26°/ 17°
90%
Monday
Rain Showers
72°/ 48° 22°/
30%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
78°/ 60° 26°/ 16°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
0%
Friday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the upper 70s. East winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent.

Northern Nassau, NY

Today
Thunderstorms
78°/ 65° 26°/ 18°
100%
Monday
Rain Showers
75°/ 58° 24°/ 14°
30%
Tuesday
Sunny
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
78°/ 65° 26°/ 18°
0%
Thursday
Sunny
78°/ 65° 26°/ 18°
0%
Friday
Partly Cloudy
78°/ 62° 26°/ 17°
30%

Day: Showers with a chance of thunderstorms this morning, then partly sunny with showers likely with a slight chance of thunderstorms this afternoon. Locally heavy rainfall possible. Highs in the upper 70s. East winds 5 to 10 mph, becoming northwest this afternoon. Chance of rain near 100 percent.

Night: Partly cloudy. A slight chance of showers after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph, becoming west after midnight. Chance of rain 20 percent.

Northwest Suffolk, NY

Today
Thunderstorms
78°/ 65° 26°/ 18°
100%
Monday
Rain Showers
72°/ 55° 22°/ 13°
30%
Tuesday
Sunny
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
0%
Friday
Partly Cloudy
78°/ 62° 26°/ 17°
30%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Locally heavy rainfall possible. Highs in the upper 70s. Southeast winds 5 to 10 mph, becoming northwest this afternoon. Chance of rain near 100 percent.

Night: Partly cloudy. Humid with lows in the mid 60s. West winds 5 to 10 mph.

Northern Fairfield, CT

Today
Thunderstorms
78°/ 62° 26°/ 17°
100%
Monday
Rain Showers
72°/ 48° 22°/
30%
Tuesday
Sunny
70°/ 52° 21°/ 11°
0%
Wednesday
Sunny
78°/ 58° 26°/ 14°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
30%
Friday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Locally heavy rainfall possible. Highs in the upper 70s. East winds around 5 mph, becoming northwest around 5 mph this afternoon. Chance of rain near 100 percent.

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Southwest winds around 5 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of rain 20 percent.

Southwest Suffolk, NY

Today
Thunderstorms
78°/ 65° 26°/ 18°
100%
Monday
Rain Showers
75°/ 58° 24°/ 14°
20%
Tuesday
Sunny
70°/ 58° 21°/ 14°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
75°/ 65° 24°/ 18°
0%
Friday
Partly Cloudy
78°/ 62° 26°/ 17°
30%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Locally heavy rainfall possible. Highs in the upper 70s. South winds 5 to 10 mph, becoming west this afternoon. Gusts up to 20 mph. Chance of rain near 100 percent.

Night: Partly cloudy. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph after midnight.

Northern Queens, NY

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
20%
Tuesday
Sunny
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
78°/ 65° 26°/ 18°
0%
Thursday
Sunny
80°/ 68° 27°/ 20°
0%
Friday
Partly Cloudy
80°/ 65° 27°/ 18°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. East winds 5 to 10 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. Southwest winds around 5 mph, becoming northwest after midnight.

Bronx, NY

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
20%
Tuesday
Sunny
72°/ 60° 22°/ 16°
0%
Wednesday
Sunny
78°/ 65° 26°/ 18°
0%
Thursday
Sunny
82°/ 68° 28°/ 20°
0%
Friday
Rain Showers
82°/ 65° 28°/ 18°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. East winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. Southwest winds around 5 mph, becoming northwest after midnight.

Rockland, NY

Today
Thunderstorms
78°/ 62° 26°/ 17°
90%
Monday
Rain Showers
72°/ 50° 22°/ 10°
20%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Sunny
80°/ 62° 27°/ 17°
0%
Friday
Rain Showers
78°/ 58° 26°/ 14°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then mostly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the upper 70s. Northeast winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. West winds around 5 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of rain 20 percent.

Eastern Bergen, NJ

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
20%
Tuesday
Sunny
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
80°/ 65° 27°/ 18°
0%
Thursday
Sunny
82°/ 65° 28°/ 18°
0%
Friday
Rain Showers
82°/ 62° 28°/ 17°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. Northeast winds around 5 mph, becoming northwest around 5 mph this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. A slight chance of showers after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent.

Southern Nassau, NY

Today
Thunderstorms
82°/ 68° 28°/ 20°
100%
Monday
Rain Showers
75°/ 58° 24°/ 14°
20%
Tuesday
Sunny
72°/ 60° 22°/ 16°
0%
Wednesday
Sunny
78°/ 65° 26°/ 18°
0%
Thursday
Sunny
78°/ 65° 26°/ 18°
0%
Friday
Partly Cloudy
80°/ 65° 27°/ 18°
30%

Day: Showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers with a slight chance of thunderstorms this afternoon. Locally heavy rainfall possible. Highs in the lower 80s. South winds 5 to 10 mph, becoming west this afternoon. Chance of rain near 100 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. Southwest winds around 5 mph, becoming west after midnight.

Southern Queens, NY

Today
Thunderstorms
82°/ 68° 28°/ 20°
100%
Monday
Rain Showers
75°/ 60° 24°/ 16°
20%
Tuesday
Sunny
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
75°/ 68° 24°/ 20°
0%
Thursday
Sunny
78°/ 68° 26°/ 20°
0%
Friday
Partly Cloudy
78°/ 65° 26°/ 18°
30%

Day: Showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. South winds 10 to 15 mph, becoming west 5 to 10 mph this afternoon. Chance of rain near 100 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph after midnight.

Manhattan, NY

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
20%
Tuesday
Sunny
72°/ 60° 22°/ 16°
0%
Wednesday
Sunny
78°/ 65° 26°/ 18°
0%
Thursday
Sunny
82°/ 68° 28°/ 20°
0%
Friday
Rain Showers
82°/ 65° 28°/ 18°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. Northeast winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. Southwest winds around 5 mph, becoming northwest after midnight.

Putnam, NY

Today
Thunderstorms
78°/ 62° 26°/ 17°
90%
Monday
Rain Showers
72°/ 48° 22°/
20%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
78°/ 60° 26°/ 16°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
30%
Friday
Rain Showers
78°/ 58° 26°/ 14°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the upper 70s. East winds around 5 mph, becoming northwest around 5 mph this afternoon. Chance of rain 90 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Southwest winds around 5 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of rain 20 percent.

Western Bergen, NJ

Today
Thunderstorms
80°/ 62° 27°/ 17°
90%
Monday
Rain Showers
72°/ 50° 22°/ 10°
20%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
78°/ 60° 26°/ 16°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Rain Showers
80°/ 58° 27°/ 14°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then mostly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs around 80. Northeast winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the lower 60s. West winds around 5 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of rain 20 percent.

Hudson, NJ

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
20%
Tuesday
Sunny
72°/ 60° 22°/ 16°
0%
Wednesday
Sunny
80°/ 65° 27°/ 18°
0%
Thursday
Sunny
82°/ 68° 28°/ 20°
0%
Friday
Rain Showers
82°/ 65° 28°/ 18°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. Northeast winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. West winds 5 to 10 mph.

Brooklyn, NY

Today
Thunderstorms
82°/ 68° 28°/ 20°
100%
Monday
Rain Showers
75°/ 58° 24°/ 14°
20%
Tuesday
Sunny
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
78°/ 68° 26°/ 20°
0%
Thursday
Sunny
78°/ 68° 26°/ 20°
0%
Friday
Partly Cloudy
80°/ 65° 27°/ 18°
30%

Day: Showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. Southeast winds 5 to 10 mph, becoming west this afternoon. Chance of rain near 100 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. West winds 5 to 10 mph.

Orange, NY

Today
Thunderstorms
78°/ 60° 26°/ 16°
90%
Monday
Sunny
72°/ 48° 22°/
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
78°/ 58° 26°/ 14°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
40%
Friday
Rain Showers
78°/ 55° 26°/ 13°
40%

Day: Cloudy with showers with a chance of thunderstorms this morning, then mostly sunny with a slight chance of showers this afternoon. Highs in the upper 70s. Northeast winds around 5 mph, becoming west this afternoon. Chance of rain 90 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 60. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Eastern Passaic, NJ

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Monday
Rain Showers
75°/ 52° 24°/ 11°
20%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
80°/ 62° 27°/ 17°
0%
Thursday
Sunny
82°/ 65° 28°/ 18°
0%
Friday
Rain Showers
80°/ 62° 27°/ 17°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. Northeast winds around 5 mph, becoming northwest around 5 mph this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. Humid with lows in the mid 60s. West winds around 5 mph, becoming northwest with gusts up to 20 mph after midnight.

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