National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog

39°F

4°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 38°F (3°C)
Visibility 0.25 mi
Wind Chill35°F (2°C)
Last update 9 Mar 11:56 pm EDT
Extended Forecast for

2 Miles SW Groton CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southwest wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Southwest wind 3 to 7 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 54. South wind 6 to 11 mph.

    High: 54 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 47. Southwest wind 13 to 15 mph.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a temperature falling to around 43 by 4pm.

    High: 52 °F⇓

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain before 2am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 57. Southwest wind 3 to 7 mph.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40. South wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 54. South wind 6 to 11 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47. Southwest wind 13 to 15 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a temperature falling to around 43 by 4pm.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 42.
Friday Night
A 40 percent chance of rain before 2am. Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Rain likely. Cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 48. Breezy. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Groton CT
 41.3°N 72.09°W (Elev. 0 ft)
Last Update:
11:38 pm EDT Mar 9, 2026
Forecast Valid:
12am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation