Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist

74°F

23°C

Humidity 97%
Wind Speed W 5 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 73°F (23°C)
Visibility 3.00 mi
Last update 3 Aug 10:56 am EDT
Extended Forecast for

3 Miles S Norwich CT

Flash Flood Warning until August 3, 01:00pm
Click here for hazard details and duration
Flash Flood Warning
  •  
    Flash Flood Warning until August 3, 01:00pm

    NOW until 1:00pm Mon

    Flash Flood Warning

  • Today

    High: 78 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 61. Southwest wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 2pm.  Partly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 78. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 61. Southwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 61. Calm wind.
Wednesday
A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Norwich CT
 41.52°N 72.07°W (Elev. 52 ft)
2:12 am EDT Aug 3, 2026
11am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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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