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

45°F

7°C

Humidity 56%
Wind Speed NW 15 G 23 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Nov 8:56 pm EDT
Extended Forecast for

2 Miles S Preston CT

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. West wind around 6 mph.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: A 20 percent chance of rain after 2pm. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 60. Light south wind becoming southwest 6 to 11 mph in the morning.

    High: 60 °F

    Patchy Frost
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly between 8pm and 2am. Partly cloudy, with a low around 42. Southwest wind 7 to 9 mph becoming west after midnight.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. West wind around 6 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Northwest wind 5 to 10 mph.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. Calm wind.
Monday
A 20 percent chance of rain after 2pm. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 60. Light south wind becoming southwest 6 to 11 mph in the morning.
Monday Night
A 30 percent chance of rain, mainly between 8pm and 2am. Partly cloudy, with a low around 42. Southwest wind 7 to 9 mph becoming west after midnight.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 31.
Friday
Partly sunny, with a high near 56.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Preston CT
 41.53°N 71.98°W (Elev. 200 ft)
Last Update:
9:34 pm EDT Nov 1, 2025
Forecast Valid:
9pm EDT Nov 1, 2025-6pm EST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation