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.

Rain Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed E 13 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 23 Aug 10:56 am EDT
Extended Forecast for

2 Miles SSE Norwich CT

Flood Advisory until August 23, 12:45pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until August 23, 12:45pm

    NOW until 12:45pm Sun

    Flood Advisory

  • Today

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 8am. Otherwise, sunny, with a high near 79. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 79 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Light west wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light west wind increasing to 5 to 9 mph in the morning.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 78. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 70%.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Monday
Areas of fog before 8am. Otherwise, sunny, with a high near 79. Light southwest wind increasing to 6 to 11 mph in the morning.
Monday Night
Mostly clear, with a low around 57. Light west wind.
Tuesday
Sunny, with a high near 77. Light west wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Norwich CT
 41.52°N 72.07°W (Elev. 52 ft)
Last Update:
3:21 am EDT Aug 23, 2026
Forecast Valid:
11am EDT Aug 23, 2026-6pm EDT Aug 29, 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