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.

Mostly Cloudy

62°F

17°C

Humidity 75%
Wind Speed N 8 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 1:56 am EDT
Extended Forecast for

2 Miles SW Groton CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. Northeast wind around 13 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Northeast wind 7 to 11 mph becoming southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 60. Southeast wind 7 to 9 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 66. Southeast wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 61. South wind 9 to 14 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 61 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. Northeast wind around 13 mph.
Saturday
Mostly sunny, with a high near 65. Northeast wind 7 to 11 mph becoming southeast in the afternoon.
Saturday Night
Increasing clouds, with a low around 60. Southeast wind 7 to 9 mph.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 66. Southeast wind 10 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 61. South wind 9 to 14 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 65. 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 56.
Tuesday
Partly sunny, with a high near 62. Breezy.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 63. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55. Breezy.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 62. Breezy.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 66. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Groton CT
 41.3°N 72.09°W (Elev. 0 ft)
Last Update:
3:10 pm EDT Sep 18, 2026
Forecast Valid:
2am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
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