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

71°F

22°C

Humidity 57%
Wind Speed W 6 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Jun 8:56 pm EDT
Extended Forecast for

3 Miles ESE Moodus CT

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light northwest wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 62. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Light northwest wind.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 62. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Light and variable wind.
Saturday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Moodus CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
2:41 pm EDT Jun 24, 2026
Forecast Valid:
9pm EDT Jun 24, 2026-6pm EDT Jul 1, 2026
 
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