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

49°F

9°C

Humidity 83%
Wind Speed S 9 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 3 Apr 5:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • Tonight

    Tonight: Patchy dense fog after 8pm. Otherwise, mostly cloudy, with a low around 50. Southwest wind 8 to 10 mph.

    Low: 50 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Areas of fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. North wind 5 to 11 mph becoming southeast in the afternoon.

    High: 60 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 8pm. Cloudy, with a low around 41. East wind 10 to 16 mph.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 54. Southwest wind 13 to 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 41. Northwest wind around 10 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense fog after 8pm. Otherwise, mostly cloudy, with a low around 50. Southwest wind 8 to 10 mph.
Saturday
A 20 percent chance of showers after 2pm. Areas of fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. North wind 5 to 11 mph becoming southeast in the afternoon.
Saturday Night
A 50 percent chance of showers, mainly after 8pm. Cloudy, with a low around 41. East wind 10 to 16 mph.
Sunday
Showers and possibly a thunderstorm. High near 54. Southwest wind 13 to 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 41. Northwest wind around 10 mph.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 46. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
6pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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