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

81°F

27°C

Humidity 88%
Wind Speed SW 6 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 23 Jun 12:56 pm EDT
Extended Forecast for

3 Miles ESE Moodus CT

Extreme Heat Warning June 23, 01:50pm until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 01:50pm until June 24, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. Heat index values as high as 104. West wind 3 to 8 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Northwest wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Northwest wind 5 to 7 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Heat index values as high as 101. South wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 71. South wind 3 to 6 mph.
Tuesday
Sunny, with a high near 98. Heat index values as high as 104. West wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 76. Northwest wind around 6 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Northwest wind 5 to 7 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 78.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 76.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Sunday
Mostly cloudy, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Moodus CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
1:04 pm EDT Jun 23, 2025
Forecast Valid:
1pm EDT Jun 23, 2025-6pm EDT Jun 29, 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