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

60°F

16°C

Humidity 100%
Wind Speed N 3 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 1 Sep 8:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • Tonight

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

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Calm wind.
Tuesday
Sunny, with a high near 75. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 63.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.36°W (Elev. 3 ft)
Last Update:
2:04 pm EDT Sep 1, 2025
Forecast Valid:
9pm EDT Sep 1, 2025-6pm EDT Sep 8, 2025
 
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