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.

Fair

40°F

4°C

Humidity 68%
Wind Speed NW 8 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Nov 12:56 am EST
Extended Forecast for

Stonington CT

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Northwest wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind 7 to 10 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of rain after 1pm. Partly sunny, with a high near 61. Southwest wind 5 to 14 mph.

    High: 61 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain before 1am. Mostly cloudy, then gradually becoming clear, with a low around 45. Southwest wind 13 to 15 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 56. Northwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
Monday
A 50 percent chance of rain after 1pm. Partly sunny, with a high near 61. Southwest wind 5 to 14 mph.
Monday Night
A 40 percent chance of rain before 1am. Mostly cloudy, then gradually becoming clear, with a low around 45. Southwest wind 13 to 15 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 37.
Friday
Partly sunny, with a high near 57.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stonington CT
 41.35°N 71.93°W (Elev. 3 ft)
Last Update:
1:04 am EST Nov 2, 2025
Forecast Valid:
1am EDT Nov 2, 2025-6pm EST Nov 8, 2025
 
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