Groton, CT Weather Forecast & Current Conditions

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Groton, CT Weather Maps

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Groton Weather Map
UTC Time: 10/5/2026, 21:01
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Groton, CT Regional Weather

Expires:202610052100;;590981
ASUS41 KOKX 052010
RWROKX

Regional Weather Roundup
National Weather Service New York NY
400 PM EDT MON OCT 05 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-MAZ004-011-015-052100-
Southern New England

 In CT
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Bradley Intl   PTSUNNY   65  39  38 W17G31    29.89F                  
Hartford       MOSUNNY   66  40  38 NW10G32   29.88R                  
Danbury        MOSUNNY   66  39  37 N12G25    29.91S                  
Wtrbury/Oxford MOSUNNY   63  44  50 NW12G22   29.91R                  
Norwalk Harbor   N/A    N/A N/A N/A W22G28      N/A                   
Bridgeport     SUNNY     69  36  29 NW20G29   29.88S                  
Meriden        MOSUNNY   66  42  41 NW16G26   29.89R                  
New Haven      MOSUNNY   69  39  33 NW14G26   29.88R                  
Chester        NOT AVBL                                               
Groton         MOSUNNY   68  43  40 NW16G25   29.84R                  
Willimantic    MOSUNNY   64  40  41 NW12G26   29.87R                  

 In RI
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Providence     MOSUNNY   70  39  32 NW17G25   29.83S                  
Block Island   PTSUNNY   66  52  60 W15G24    29.83F                  
Westerly       PTSUNNY   68  46  45 NW10G18   29.84S                  
 
In MA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Boston         MOSUNNY   67  35  30 W22G38    29.80R                  
Worcester      MOSUNNY   59  36  42 W24G40    29.85F                  
Westfield      MOSUNNY   62  40  44 NW16G29   29.89F                  
Provincetown   PTSUNNY   68  53  58 W13       29.79S                  
Nantucket      SUNNY     64  57  78 W21G29    29.80F                  
$$


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

Groton, CT

Tonight
Clear
45°7°
0%
Tuesday
Sunny
62°/ 35° 17°/ 2°
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph.

Northeast Suffolk, NY

Tonight
Clear
48°9°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
65°/ 55° 18°/ 13°
0%
Thursday
Sunny
72°/ 58° 22°/ 14°
0%
Friday
Sunny
68°/ 55° 20°/ 13°
0%
Saturday
Sunny
65°/ 52° 18°/ 11°
0%
Sunday
Sunny
65°/ 58° 18°/ 14°
0%
Columbus Day
Rain Showers
65°18°
30%

Night: Clear, breezy with lows in the upper 40s. Northwest winds 20 to 25 mph with gusts up to 35 mph.

Northern New London, CT

Tonight
Clear
42°6°
0%
Tuesday
Sunny
62°/ 32° 17°/ 0°
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Partly Cloudy
68°20°
0%

Night: Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Southern Middlesex, CT

Tonight
Clear
45°7°
0%
Tuesday
Sunny
62°/ 38° 17°/ 3°
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Friday
Sunny
68°/ 50° 20°/ 10°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
65°/ 55° 18°/ 13°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph.

Southeast Suffolk, NY

Tonight
Clear
45°7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
65°/ 55° 18°/ 13°
0%
Thursday
Sunny
72°/ 58° 22°/ 14°
0%
Friday
Sunny
65°/ 55° 18°/ 13°
0%
Saturday
Sunny
65°/ 55° 18°/ 13°
0%
Sunday
Sunny
65°/ 58° 18°/ 14°
0%
Columbus Day
Rain Showers
65°18°
30%

Night: Clear. Lows in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph.

Northern Middlesex, CT

Tonight
Clear
42°6°
0%
Tuesday
Sunny
62°/ 35° 17°/ 2°
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Southern New Haven, CT

Tonight
Clear
45°7°
0%
Tuesday
Sunny
65°/ 38° 18°/ 3°
0%
Wednesday
Sunny
65°/ 55° 18°/ 13°
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Sunny
68°/ 50° 20°/ 10°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Northern New Haven, CT

Tonight
Clear
42°6°
0%
Tuesday
Sunny
60°/ 35° 16°/ 2°
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Northwest Suffolk, NY

Tonight
Clear
48°9°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
65°/ 55° 18°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
68°/ 52° 20°/ 11°
0%
Saturday
Sunny
65°/ 52° 18°/ 11°
0%
Sunday
Sunny
65°/ 55° 18°/ 13°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Oakville, CT

Afternoon
Sunny
70°/ 42° 21°/ 6°
0%
Tuesday
Sunny
58°/ 35° 14°/ 2°
0%
Wednesday
Sunny
65°/ 48° 18°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Sat-Sat Night
Clear
65°18°
0%
Sunday
Sunny
65°18°
0%

Day: Sunny. Highs around 70. Temperature falling into the mid 60s late. Northwest winds around 15 mph with gusts up to 30 mph.

Night: Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Northern Fairfield, CT

Tonight
Clear
42°6°
0%
Tuesday
Sunny
62°/ 35° 17°/ 2°
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this evening.

Southwest Suffolk, NY

Tonight
Clear
48°9°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
65°/ 55° 18°/ 13°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Sunny
68°/ 55° 20°/ 13°
0%
Saturday
Sunny
65°/ 55° 18°/ 13°
0%
Sunday
Sunny
65°/ 58° 18°/ 14°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Southern Fairfield, CT

Tonight
Clear
45°7°
0%
Tuesday
Sunny
65°/ 42° 18°/ 6°
0%
Wednesday
Sunny
65°/ 55° 18°/ 13°
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Sunny
68°/ 50° 20°/ 10°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Torrington, CT

Afternoon
Sunny
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
55°/ 35° 13°/ 2°
0%
Wednesday
Sunny
62°/ 48° 17°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Clear
62°17°
0%
Sat Night
Clear
62°17°
0%
Sunday
Sunny
62°17°
0%

Day: Sunny. Highs in the mid 60s. Temperature falling to around 60 late. Northwest winds around 15 mph with gusts up to 30 mph.

Night: Clear. Lows around 40. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Great Barrington, MA

Afternoon
Rain Showers
60°/ 38° 16°/ 3°
20%
Tuesday
Sunny
58°/ 32° 14°/ 0°
0%
Wednesday
Sunny
65°/ 45° 18°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°18°
0%
Sunday
Clear
65°18°
0%

Day: Mostly sunny with isolated showers. Near steady temperature around 60. Northwest winds around 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

Night: Mostly clear. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph, diminishing to around 5 mph after midnight.

Northern Westchester, NY

Tonight
Clear
42°6°
0%
Tuesday
Sunny
62°/ 38° 17°/ 3°
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Putnam County, NY

Tonight
Clear
42°6°
0%
Tuesday
Sunny
62°/ 35° 17°/ 2°
0%
Wednesday
Sunny
65°/ 48° 18°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 52° 18°/ 11°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the lower 40s. Northwest winds 10 to 15 mph. Gusts up to 25 mph this evening.

Pawling, NY

Afternoon
Sunny
68°/ 40° 20°/ 4°
0%
Tuesday
Sunny
58°/ 35° 14°/ 2°
0%
Wednesday
Sunny
65°/ 48° 18°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°18°
0%
Sunday
Clear
65°18°
0%

Day: Sunny. Highs in the upper 60s. Temperature falling into the lower 60s late. Northwest winds around 15 mph with gusts up to 30 mph.

Night: Clear. Lows around 40. Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening.

Northern Nassau, NY

Tonight
Clear
48°9°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Sunny
68°/ 55° 20°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
68°/ 55° 20°/ 13°
0%
Saturday
Sunny
68°/ 52° 20°/ 11°
0%
Sunday
Sunny
65°/ 58° 18°/ 14°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the upper 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph this evening.

Southern Nassau, NY

Tonight
Clear
48°9°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 55° 20°/ 13°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Sunny
68°/ 55° 20°/ 13°
0%
Saturday
Sunny
68°/ 55° 20°/ 13°
0%
Sunday
Sunny
65°/ 58° 18°/ 14°
0%
Columbus Day
Rain Showers
68°20°
30%

Night: Clear. Lows in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Names listed above may include county names.

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