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.

Fair

56°F

13°C

Humidity 72%
Wind Speed S 12 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Oct 8:56 pm EDT
Extended Forecast for

2 Miles ESE Niantic CT

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Increasing clouds, with a steady temperature around 56. Light southeast wind increasing to 5 to 10 mph in the evening.

    Low: 56 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 68. South wind 15 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms before 5am, then showers likely. Low around 47. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 8am. Cloudy through mid morning, then gradual clearing, with a steady temperature around 49. Breezy, with a north wind 17 to 20 mph. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North wind 9 to 13 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers after 5am. Increasing clouds, with a steady temperature around 56. Light southeast wind increasing to 5 to 10 mph in the evening.
Friday
Showers, with thunderstorms also possible after 2pm. High near 68. South wind 15 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 5am, then showers likely. Low around 47. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely before 8am. Cloudy through mid morning, then gradual clearing, with a steady temperature around 49. Breezy, with a north wind 17 to 20 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 39. North wind 9 to 13 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Niantic CT
 41.31°N 72.18°W (Elev. 0 ft)
Last Update:
2:36 pm EDT Oct 15, 2026
Forecast Valid:
9pm EDT Oct 15, 2026-6pm EDT Oct 22, 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