Cos Cob, CT Weather Forecast & Current Conditions

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Cos Cob Weather Map
UTC Time: 9/26/2026, 05:05
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Cos Cob, CT Regional Weather

Expires:202609260600;;066933
ASUS41 KOKX 260505
RWROKX

Regional Weather Roundup
National Weather Service New York NY
100 AM EDT SAT SEP 26 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-MAZ004-011-015-260600-
Southern New England

 In CT
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Bradley Intl   LGT RAIN  58  49  72 N15G25    29.98F                  
Hartford       CLOUDY    59  48  67 N18G28    29.95F                  
Danbury        CLOUDY    57  48  72 NE15G29   29.95F                  
Wtrbury/Oxford LGT RAIN  60  44  55 NE26G37   29.93F                  
Norwalk Harbor   N/A    N/A N/A N/A N16G25      N/A                   
Bridgeport     LGT RAIN  60  48  64 NE23G39   29.91F                  
Meriden        LGT RAIN  57  49  74 N12G28    29.94F                  
New Haven      LGT RAIN  57  49  74 N17G33    29.90F                  
Chester        MOCLDY    57  50  77 N15G22    29.91F                  
Groton         HVY RAIN  57  46  66 NE30G43   29.85F                  
Willimantic    CLOUDY    60  48  64 NE13G28   29.94F                  

 In RI
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Providence     LGT RAIN  58  49  72 NE23G33   29.94F                  
Block Island   LGT RAIN  57  48  72 NE29G44   29.84F                  
Westerly       LGT RAIN  54  51  90 NE17G30   29.86F                  
 
In MA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Boston         CLOUDY    61  53  75 NE21G32   29.99F                  
Worcester      MOCLDY    54  47  77 NE15G24   30.00F                  
Westfield      LGT RAIN  58  48  69 N12G20    30.01F                  
Provincetown   CLOUDY    61  52  72 NE23G30   29.94F                  
Nantucket      LGT RAIN  56  53  90 NE37G58   29.83F                  
$$


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

Tonight
Rain
55°13°
70%
Saturday
Rain
62°/ 55° 17°/ 13°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
65°/ 58° 18°/ 14°
90%
Tuesday
Mostly Cloudy
70°/ 58° 21°/ 14°
0%
Wednesday
Sunny
72°/ 58° 22°/ 14°
0%
Thursday
Sunny
75°/ 60° 24°/ 16°
0%
Friday
Sunny
75°24°
0%

Night: Rain likely. Breezy with lows in the mid 50s. Northeast winds 20 to 25 mph with gusts up to 45 mph. Chance of rain 70 percent.

Southern Westchester, NY

Tonight
Rain
55°13°
70%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 60° 18°/ 16°
100%
Monday
Rain
65°/ 58° 18°/ 14°
90%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
75°/ 60° 24°/ 16°
0%
Thursday
Sunny
75°/ 62° 24°/ 17°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy. A chance of rain late this evening, then rain likely after midnight. Breezy with lows in the mid 50s. Northeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.

Northern Westchester, NY

Tonight
Rain
55°13°
60%
Saturday
Rain
60°/ 55° 16°/ 13°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
65°/ 58° 18°/ 14°
90%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy. A chance of rain late this evening, then rain likely after midnight. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 60 percent.

Northern Nassau, NY

Tonight
Rain
58°14°
80%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 62° 18°/ 17°
100%
Monday
Rain
68°/ 60° 20°/ 16°
90%
Tuesday
Mostly Cloudy
72°/ 60° 22°/ 16°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
75°/ 62° 24°/ 17°
0%
Friday
Sunny
75°24°
0%

Night: Rain, windy with lows in the upper 50s. Northeast winds 25 to 30 mph with gusts up to 45 mph. Chance of rain 80 percent.

Northwest Suffolk, NY

Tonight
Rain
55°13°
90%
Saturday
Rain
62°/ 55° 17°/ 13°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
68°/ 58° 20°/ 14°
90%
Tuesday
Mostly Cloudy
70°/ 58° 21°/ 14°
0%
Wednesday
Sunny
72°/ 60° 22°/ 16°
0%
Thursday
Sunny
72°/ 62° 22°/ 17°
0%
Friday
Sunny
72°22°
0%

Night: Rain, windy with lows in the mid 50s. Northeast winds 25 to 30 mph with gusts up to 50 mph. Chance of rain 90 percent.

Northern Fairfield, CT

Tonight
Rain
55°13°
70%
Saturday
Rain
60°/ 55° 16°/ 13°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
65°/ 55° 18°/ 13°
90%
Tuesday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Wednesday
Sunny
72°/ 58° 22°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Sunny
75°24°
0%

Night: Rain likely. Breezy with lows in the mid 50s. Northeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.

Southwest Suffolk, NY

Tonight
Rain
55°13°
90%
Saturday
Rain
62°/ 55° 17°/ 13°
100%
Sunday
Rain
68°/ 60° 20°/ 16°
100%
Monday
Rain
68°/ 58° 20°/ 14°
90%
Tuesday
Mostly Cloudy
68°/ 60° 20°/ 16°
0%
Wednesday
Sunny
72°/ 62° 22°/ 17°
0%
Thursday
Sunny
72°/ 62° 22°/ 17°
0%
Friday
Sunny
72°22°
0%

Night: Rain. Very windy with lows in the mid 50s. Northeast winds 25 to 35 mph with gusts up to 55 mph. Chance of rain 90 percent.

Northern Queens, NY

Tonight
Rain
58°14°
70%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 62° 18°/ 17°
100%
Monday
Rain
68°/ 62° 20°/ 17°
80%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
75°/ 65° 24°/ 18°
0%
Friday
Partly Cloudy
75°24°
0%

Night: Rain likely. Breezy with lows in the upper 50s. Northeast winds around 25 mph with gusts up to 45 mph. Chance of rain 70 percent.

Bronx County, NY

Tonight
Rain
58°14°
70%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 62° 18°/ 17°
100%
Monday
Rain
68°/ 62° 20°/ 17°
80%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
75°/ 65° 24°/ 18°
0%
Friday
Sunny
75°24°
0%

Night: Rain likely. Windy with lows in the upper 50s. Northeast winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 70 percent.

Rockland County, NY

Tonight
Rain
55°13°
50%
Saturday
Rain
60°/ 55° 16°/ 13°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
65°/ 58° 18°/ 14°
80%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 60° 24°/ 16°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy with a 50 percent chance of rain. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 35 mph.

Eastern Bergen, NJ

Tonight
Rain
58°14°
50%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 62° 18°/ 17°
100%
Monday
Rain
68°/ 58° 20°/ 14°
80%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
0%
Friday
Sunny
78°26°
0%

Night: Cloudy with a 50 percent chance of rain. Lows in the upper 50s. Northeast winds 15 to 20 mph with gusts up to 40 mph.

Southern Nassau, NY

Tonight
Rain
58°14°
90%
Saturday
Rain
65°/ 58° 18°/ 14°
100%
Sunday
Rain
68°/ 62° 20°/ 17°
100%
Monday
Rain
68°/ 60° 20°/ 16°
90%
Tuesday
Mostly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
72°/ 62° 22°/ 17°
0%
Thursday
Sunny
72°/ 62° 22°/ 17°
0%
Friday
Sunny
75°24°
0%

Night: Rain, windy with lows in the upper 50s. Northeast winds 25 to 30 mph with gusts up to 50 mph. Chance of rain 90 percent.

Southern Queens, NY

Tonight
Rain
58°14°
70%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
68°/ 62° 20°/ 17°
100%
Monday
Rain
68°/ 62° 20°/ 17°
90%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
72°/ 65° 22°/ 18°
0%
Thursday
Sunny
72°/ 65° 22°/ 18°
0%
Friday
Partly Cloudy
75°24°
0%

Night: Rain likely. Very windy with lows in the upper 50s. Northeast winds 25 to 35 mph with gusts up to 50 mph. Chance of rain 70 percent.

Manhattan, NY

Tonight
Rain
58°14°
70%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
68°/ 62° 20°/ 17°
100%
Monday
Rain
68°/ 62° 20°/ 17°
80%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
75°/ 65° 24°/ 18°
0%
Friday
Partly Cloudy
78°26°
0%

Night: Rain likely. Breezy with lows in the upper 50s. Northeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.

Putnam County, NY

Tonight
Rain
55°13°
50%
Saturday
Rain
58°/ 55° 14°/ 13°
100%
Sunday
Rain
62°/ 58° 17°/ 14°
100%
Monday
Rain
62°/ 55° 17°/ 13°
90%
Tuesday
Partly Cloudy
68°/ 55° 20°/ 13°
0%
Wednesday
Sunny
72°/ 58° 22°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy with a 50 percent chance of rain. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 35 mph.

Western Bergen, NJ

Tonight
Rain
55°13°
50%
Saturday
Rain
62°/ 55° 17°/ 13°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
65°/ 58° 18°/ 14°
70%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 60° 24°/ 16°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy with a 50 percent chance of rain. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 35 mph.

Hudson County, NJ

Tonight
Rain
58°14°
70%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 62° 18°/ 17°
100%
Monday
Rain
68°/ 62° 20°/ 17°
80%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
75°/ 62° 24°/ 17°
0%
Thursday
Sunny
75°/ 65° 24°/ 18°
0%
Friday
Partly Cloudy
75°24°
0%

Night: Rain likely late this evening, then a chance of rain after midnight. Breezy with lows in the upper 50s. Northeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.

Brooklyn, NY

Tonight
Rain
58°14°
70%
Saturday
Rain
62°/ 60° 17°/ 16°
100%
Sunday
Rain
65°/ 62° 18°/ 17°
100%
Monday
Rain
68°/ 62° 20°/ 17°
80%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Wednesday
Sunny
75°/ 65° 24°/ 18°
0%
Thursday
Sunny
75°/ 65° 24°/ 18°
0%
Friday
Partly Cloudy
75°24°
0%

Night: Rain likely. Windy with lows in the upper 50s. Northeast winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 70 percent.

Orange County, NY

Tonight
Rain
55°13°
20%
Saturday
Rain
62°/ 55° 17°/ 13°
70%
Sunday
Rain
62°/ 55° 17°/ 13°
100%
Monday
Rain
65°/ 55° 18°/ 13°
90%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy with a 20 percent chance of rain. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 35 mph.

Eastern Passaic, NJ

Tonight
Rain
55°13°
50%
Saturday
Rain
62°/ 58° 17°/ 14°
100%
Sunday
Rain
65°/ 58° 18°/ 14°
100%
Monday
Rain
68°/ 58° 20°/ 14°
70%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
75°/ 60° 24°/ 16°
0%
Thursday
Sunny
78°/ 62° 26°/ 17°
0%
Friday
Sunny
75°24°
0%

Night: Cloudy with a 50 percent chance of rain. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 40 mph.

Names listed above may include county names.

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