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.

Light Rain Fog/Mist

64°F

18°C

Humidity 93%
Wind Speed NE 14 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 62°F (17°C)
Visibility 3.00 mi
Last update 6 Jul 5:56 pm EDT
Extended Forecast for

4 Miles W Salem CT

Flood Watch July 6, 06:13pm until July 7, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 6, 06:13pm until July 7, 06:00am

    NOW until 6:00am Tue

    Flood Watch

  • Tonight

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. North wind 5 to 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny through mid morning, then becoming sunny, with a high near 81. North wind 3 to 5 mph.

    High: 81 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 58. East wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 59. North wind 5 to 8 mph.
Wednesday
Partly sunny through mid morning, then becoming sunny, with a high near 81. North wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 62. Calm wind.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Salem CT
 41.49°N 72.35°W (Elev. 299 ft)
Last Update:
2:35 pm EDT Jul 6, 2026
Forecast Valid:
6pm EDT Jul 6, 2026-6pm EDT Jul 13, 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