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

70°F

21°C

Humidity 93%
Wind Speed S 7 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 23 Aug 8:56 pm EDT
Extended Forecast for

3 Miles W Salem CT

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 78. West wind 5 to 8 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Light west wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 78. West wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 59. Light west wind.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 8am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Salem CT
 41.47°N 72.35°W (Elev. 397 ft)
Last Update:
2:20 pm EDT Aug 23, 2026
Forecast Valid:
9pm EDT Aug 23, 2026-6pm EDT Aug 30, 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