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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

38°F

3°C

Humidity 86%
Wind Speed E 16 mph
Barometer 30.38 in (1028.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 15 Mar 8:56 pm EDT
Extended Forecast for

2 Miles SSW Niantic CT

Flood Watch March 16, 05:00am until March 17, 08:00am
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • Tonight

    Tonight: Showers likely after 2am. Increasing clouds, with a temperature falling to near 37 by midnight, then rising to around 42 during the remainder of the night. East wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F⇑

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. Patchy fog. High near 56. South wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 36. Breezy, with a south wind 20 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 40. West wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 40 °F

    Showers
    Likely then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 38.

    High: 38 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely after 2am. Increasing clouds, with a temperature falling to near 37 by midnight, then rising to around 42 during the remainder of the night. East wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and possibly a thunderstorm. Patchy fog. High near 56. South wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 36. Breezy, with a south wind 20 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 40. West wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 25. West wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Increasing clouds, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 47.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
9:19 pm EDT Mar 15, 2026
Forecast Valid:
9pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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