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.

Overcast

59°F

15°C

Humidity 81%
Wind Speed W 13 mph
Barometer 29.63 in (1003.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 8 Nov 5:56 am EST
Extended Forecast for

3 Miles SSE Preston CT

  • Today

    Today: A 50 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 62. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 62 °F

    Chance
    Showers then
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Increasing clouds, with a high near 59. Southeast wind 5 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before midnight. Cloudy, with a low around 48. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 58. West wind 5 to 10 mph.

    High: 58 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 62. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Tonight
Increasing clouds, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Rain likely, mainly after 1pm. Increasing clouds, with a high near 59. Southeast wind 5 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before midnight. Cloudy, with a low around 48. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 58. West wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 27.
Veterans Day
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Preston CT
 41.5°N 71.96°W (Elev. 210 ft)
Last Update:
5:04 am EST Nov 8, 2025
Forecast Valid:
6am EST Nov 8, 2025-6pm EST Nov 14, 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