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.

Partly Cloudy

42°F

6°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 10 Mar 9:56 am EDT
Extended Forecast for

Old Saybrook Center CT

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 40. South wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 57. Southeast wind 5 to 10 mph.

    High: 57 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 47. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a temperature falling to around 41 by 5pm. Northwest wind 15 to 17 mph. Chance of precipitation is 50%.

    High: 48 °F⇓

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 43.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 40. South wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 57. Southeast wind 5 to 10 mph.
Wednesday Night
A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 47. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a temperature falling to around 41 by 5pm. Northwest wind 15 to 17 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Chance of precipitation is 30%.
Friday
Increasing clouds, with a high near 43.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Rain. Low around 43. Breezy. Chance of precipitation is 80%.
Monday
Rain. High near 50. Breezy. Chance of precipitation is 80%.
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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:
10:52 am EDT Mar 10, 2026
Forecast Valid:
10am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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