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

63°F

17°C

Humidity 93%
Wind Speed W 9 G 20 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 6 Jun 11:56 pm EDT
Extended Forecast for

Old Saybrook Center CTSimilar City Names

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Cloudy early, then gradual clearing, with a low around 62. West wind around 6 mph.

    Low: 62 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 79. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. North wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. North wind around 7 mph becoming east in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Cloudy early, then gradual clearing, with a low around 62. West wind around 6 mph.
Sunday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 79. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 53. North wind around 6 mph.
Monday
Sunny, with a high near 78. North wind around 7 mph becoming east in the afternoon.
Monday Night
Clear, with a low around 58. Light and variable wind.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Saybrook Center CTSimilar City Names
 41.29°N 72.36°W (Elev. 3 ft)
Last Update:
10:08 pm EDT Jun 6, 2026
Forecast Valid:
12am EDT Jun 7, 2026-6pm EDT Jun 13, 2026
 
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Additional Resources

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Chance of Precipitation