Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

29°F

-2°C

Humidity 66%
Wind Speed S 9 mph
Barometer 30.38 in (1028.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 19 Mar 1:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. South wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 48. South wind 3 to 8 mph.

    High: 48 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 2am.  Mostly cloudy, with a low around 38. South wind around 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am.  Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Calm wind.
Thursday
Mostly sunny, with a high near 40. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 32. South wind 3 to 5 mph.
Friday
Increasing clouds, with a high near 48. South wind 3 to 8 mph.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 53.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
5:35 pm EDT Mar 18, 2026
2am EDT Mar 19, 2026-6pm EDT Mar 25, 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