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

41°F

5°C

Humidity 45%
Wind Speed SE 10 mph
Barometer 30.61 in (1036.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 8 Apr 11:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 45. East wind around 9 mph becoming southeast.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 1am. Otherwise, clear, with a low around 33. South wind 3 to 7 mph.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, sunny, with a high near 45. Light southeast wind increasing to 5 to 9 mph in the morning.

    High: 45 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost between 1am and 2am. Otherwise, partly cloudy, with a low around 37. South wind 5 to 7 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 8am. Otherwise, sunny, with a high near 53. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 53 °F

    Patchy Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 55.

    High: 55 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 45. East wind around 9 mph becoming southeast.
Tonight
Patchy frost after 1am. Otherwise, clear, with a low around 33. South wind 3 to 7 mph.
Thursday
Patchy frost before 9am. Otherwise, sunny, with a high near 45. Light southeast wind increasing to 5 to 9 mph in the morning.
Thursday Night
Patchy frost between 1am and 2am. Otherwise, partly cloudy, with a low around 37. South wind 5 to 7 mph becoming calm after midnight.
Friday
Patchy frost before 8am. Otherwise, sunny, with a high near 53. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 55.
Saturday Night
Clear, with a low around 40.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 59.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 65.
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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:
3:28 am EDT Apr 8, 2026
Forecast Valid:
12pm EDT Apr 8, 2026-6pm EDT Apr 14, 2026
 
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Additional Resources

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