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.

Fair

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in (1014.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Jul 9:56 pm EDT
Extended Forecast for

Salem CT

Flood Watch July 31, 02:00pm until August 1, 02:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 59 °F

    Heavy Rain

  • Friday

    Friday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 67. Northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 55. North wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

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

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

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

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 67. Northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 55. North wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Salem CT
 41.5°N 72.28°W (Elev. 499 ft)
Last Update:
7:56 pm EDT Jul 30, 2025
Forecast Valid:
10pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
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