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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

64°F

18°C

Humidity 78%
Wind Speed N 10 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 11:56 pm EDT
Extended Forecast for

Groton / New London Airport CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. North wind 9 to 13 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northeast wind 11 to 13 mph becoming southeast in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 53. East wind around 6 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 68. Southeast wind 7 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 56. South wind 5 to 9 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 56 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. North wind 9 to 13 mph.
Saturday
Mostly sunny, with a high near 68. Northeast wind 11 to 13 mph becoming southeast in the afternoon.
Saturday Night
Increasing clouds, with a low around 53. East wind around 6 mph.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 68. Southeast wind 7 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 56. South wind 5 to 9 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 64. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.33°N 72.02°W (Elev. 43 ft)
Last Update:
3:10 pm EDT Sep 18, 2026
Forecast Valid:
12am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
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Additional Resources

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