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.

A Few Clouds

54°F

12°C

Humidity 97%
Wind Speed N 3 mph
Barometer 30.36 in (1028.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Sep 2:56 am EDT
Extended Forecast for

Salem CT

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 54. Calm wind.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64. South wind 3 to 5 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 50.
Sunday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Salem CT
 41.48°N 72.29°W (Elev. 308 ft)
Last Update:
1:56 am EDT Sep 16, 2026
Forecast Valid:
3am EDT Sep 16, 2026-6pm EDT Sep 22, 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