National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

70°F

21°C

Humidity 53%
Wind Speed E 10 G 22 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 May 7:56 am EDT
Extended Forecast for

Salem CT

  • Today

    Today: Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 89. Southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers before 8pm. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 89. Southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers before 8pm. Low around 54. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 66.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 48.
Saturday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Salem CT
 41.48°N 72.29°W (Elev. 308 ft)
Last Update:
7:33 am EDT May 18, 2026
Forecast Valid:
8am EDT May 18, 2026-6pm EDT May 24, 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