Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

51°F

11°C

Humidity 96%
Wind Speed S 12 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 50°F (10°C)
Visibility 1.00 mi
Wind Chill47°F (8°C)
Last update 5 Apr 10:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Rain and possibly a thunderstorm.  High near 52. Southwest wind 14 to 16 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 8pm.  Cloudy during the early evening, then gradual clearing, with a low around 38. Southwest wind around 10 mph becoming northwest after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 49. West wind 11 to 13 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 2am.  Partly cloudy, with a low around 38. West wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 2pm.  Mostly sunny, with a high near 47. West wind 8 to 15 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

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

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and possibly a thunderstorm. High near 52. Southwest wind 14 to 16 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 38. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 49. West wind 11 to 13 mph.
Monday Night
A 30 percent chance of rain, mainly after 2am. Partly cloudy, with a low around 38. West wind around 6 mph.
Tuesday
A 30 percent chance of rain, mainly before 2pm. Mostly sunny, with a high near 47. West wind 8 to 15 mph.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 42.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CT
 41.29°N 72.39°W (Elev. 89 ft)
5:03 am EDT Apr 5, 2026
11am EDT Apr 5, 2026-6pm EDT Apr 11, 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