Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

50°F

10°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1016.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Apr 10:56 pm EDT
Extended Forecast for

Old Saybrook Center CT

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Light north wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56. Northeast wind 6 to 9 mph becoming east in the afternoon.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 45. Southeast wind 3 to 7 mph.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am.  High near 52. Southeast wind 6 to 11 mph becoming northwest 12 to 17 mph in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °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 38. Northwest wind 7 to 13 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Light north wind.
Saturday
Partly sunny, with a high near 56. Northeast wind 6 to 9 mph becoming east in the afternoon.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 45. Southeast wind 3 to 7 mph.
Sunday
Showers, mainly after 8am. High near 52. Southeast wind 6 to 11 mph becoming northwest 12 to 17 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter 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 38. Northwest wind 7 to 13 mph.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
2:24 pm EDT Apr 17, 2026
11pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
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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