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.

Mostly Cloudy

36°F

2°C

Humidity 48%
Wind Speed NE 8 mph
Barometer 30.49 in (1032.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 15 Mar 8:56 am EDT
Extended Forecast for

Norwich CT

  • Today

    Today: Mostly cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Low around 35. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Partly Cloudy
    then Showers
    and Patchy
    Fog

  • Monday

    Monday: Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 60. Breezy, with a south wind around 21 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    High: 60 °F

    Intermittent
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Breezy, with a south wind 21 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 41 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 40.

    High: 40 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Low around 35. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 60. Breezy, with a south wind around 21 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Monday Night
Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Breezy, with a south wind 21 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Increasing clouds, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 52.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Norwich CT
 41.54°N 72.1°W (Elev. 98 ft)
Last Update:
6:56 am EDT Mar 15, 2026
Forecast Valid:
9am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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Chance of Precipitation