National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair and Breezy

58°F

14°C

Humidity 36%
Wind Speed S 21 G 30 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 5 Nov 2:56 pm EST
Extended Forecast for

Old Saybrook Center CT

Wind Advisory November 5, 09:00pm until November 6, 08:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A chance of showers and thunderstorms between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Windy, with a southwest wind 22 to 26 mph becoming northwest after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers and
    Breezy then
    Mostly Clear
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 53. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 43 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 37. Northwest wind 5 to 13 mph.

    Low: 37 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 7am. Otherwise, partly sunny, with a high near 59. Breezy, with a light southwest wind becoming south 15 to 20 mph in the morning.

    High: 59 °F

    Areas Frost
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a temperature rising to around 61 by 10pm. Breezy, with a south wind 14 to 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F⇑

    Chance Rain
    and Breezy
    then Rain
    Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Windy, with a southwest wind 22 to 26 mph becoming northwest after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 53. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 43 mph.
Thursday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 37. Northwest wind 5 to 13 mph.
Friday
Areas of frost before 7am. Otherwise, partly sunny, with a high near 59. Breezy, with a light southwest wind becoming south 15 to 20 mph in the morning.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a temperature rising to around 61 by 10pm. Breezy, with a south wind 14 to 22 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 1pm. Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 34.
Veterans Day
Mostly sunny, with a high near 45. Breezy.
Tuesday Night
Partly cloudy, with a low around 38. Breezy.
Wednesday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
Last Update:
12:56 pm EST Nov 5, 2025
Forecast Valid:
3pm EST Nov 5, 2025-6pm EST Nov 12, 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