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Weather in Groton, Connecticut, USA

Now
52 °F

Passing clouds.


Feels Like: 47 °F
Forecast: 53 / 40 °F
Wind: 15 mph from North

Location: Groton / New London Airport
Current Time: Mar 21, 2026 at 11:12:56 am
Latest Report: Mar 21, 2026 at 9:56 am
Visibility: 10 mi
Pressure: 29.81 "Hg
Humidity: 61%
Dew Point: 39 °F
Location of GrotonLocation

Upcoming 5 hours

Now12:00 pm1:00 pm2:00 pm3:00 pm4:00 pm
52 °F50 °F51 °F51 °F52 °F52 °F

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Forecast for the next 48 hours

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 SaturdaySundayMonday
 AfternoonEveningNightMorningAfternoonEveningNight
Forecast
Temperature52 °F41 °F38 °F40 °F46 °F45 °F42 °F
Mostly sunny.Overcast.Overcast.Overcast.Sprin­kles. Overcast.Rain. Overcast.Rain. Overcast.
Feels Like48 °F37 °F31 °F34 °F41 °F45 °F35 °F
Wind Speed10 mph5 mph12 mph12 mph11 mph3 mph13 mph
Wind DirectionNW
NE
SE
S
SSW
WNW
NNE
Humidity45%71%83%87%85%90%84%
Dew Point31 °F32 °F34 °F37 °F42 °F42 °F37 °F
Visibility8 mi7 mi5 mi5 mi5 mi2 mi4 mi
Probability of Precipitation0%0%2%1%5%66%57%
Amount of Rain0.00"0.00"0.00"0.00"0.04"0.08"0.08"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Saturday, March 21, 2026 9:42:40 am Groton time - Weather by CustomWeather, © 2026

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Sunny. 47 / 29 °F
Humidity: 80%. Wind: 8 mph from Southwest

More weather last week

Currently at nearby stations

52 °F

Westerly State Airport: (14 mi)

Sunny. (1 hour ago)

47 °F

Montauk Airport: (20 mi)

Cool. (1 hour ago)

52 °F

Chester Airport: (22 mi)

Sunny.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days