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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

60°F

16°C

Humidity 27%
Wind Speed NA
Barometer 30.18 in (1021.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 11 Apr 4:56 pm EDT
Extended Forecast for

New London CT

Frost Advisory April 12, 12:00am until April 12, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 36. Northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, increasing clouds, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 9 mph.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind 5 to 9 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 36. Northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 24 mph.
Sunday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 9 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind 5 to 9 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
2:27 pm EDT Apr 11, 2026
Forecast Valid:
5pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation