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.

Light Rain Fog/Mist

55°F

13°C

Humidity 100%
Wind Speed E 6 mph
Barometer 29.64 in (1003.8 mb)
Dewpoint 55°F (13°C)
Visibility 3.00 mi
Wind Chill54°F (12°C)
Last update 10 Nov 9:56 am EST
Extended Forecast for

Preston CT

  • Today

    Today: Showers, mainly before 4pm. Temperature falling to around 53 by 5pm. North wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F⇓

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Wind chill values between 20 and 25. West wind 7 to 9 mph.

    Low: 28 °F

    Chance
    Showers then
    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 41. Wind chill values between 20 and 30. West wind 9 to 16 mph, with gusts as high as 36 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Showers, mainly before 4pm. Temperature falling to around 53 by 5pm. North wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Wind chill values between 20 and 25. West wind 7 to 9 mph.
Veterans Day
Mostly sunny, with a high near 41. Wind chill values between 20 and 30. West wind 9 to 16 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy, with a high near 48. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
1:12 am EST Nov 10, 2025
Forecast Valid:
10am EST Nov 10, 2025-6pm EST Nov 16, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation