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

46°F

8°C

Humidity 66%
Wind Speed SW 9 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Apr 8:56 am EDT
Extended Forecast for

Salem CT

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: A 20 percent chance of showers. Partly sunny, with a high near 51. Calm wind becoming west 5 to 7 mph in the morning.

    High: 51 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. North wind around 6 mph.

    Low: 29 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 2am. Increasing clouds, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. South wind 6 to 9 mph.

    High: 53 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers. Partly sunny, with a high near 51. Calm wind becoming west 5 to 7 mph in the morning.
Tonight
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. North wind around 6 mph.
Tuesday
Sunny, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers after 2am. Increasing clouds, with a low around 36. South wind around 6 mph.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. South wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 58.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Salem CT
 41.48°N 72.26°W (Elev. 312 ft)
Last Update:
6:13 am EDT Apr 20, 2026
Forecast Valid:
9am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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