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.

A Few Clouds

77°F

25°C

Humidity 43%
Wind Speed W 15 G 30 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 1:56 pm EDT
Extended Forecast for

3 Miles WNW Salem CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Northwest wind around 14 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 79. Calm wind becoming west 5 to 7 mph in the morning.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 61. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Northwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 79. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 58. Calm wind.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 61. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Salem CT
 41.48°N 72.32°W (Elev. 397 ft)
Last Update:
2:28 pm EDT Jun 20, 2026
Forecast Valid:
2pm EDT Jun 20, 2026-6pm EDT Jun 26, 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