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

60°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.08 in (1018.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 May 4:56 am EDT
Extended Forecast for

Niantic CT

  • Today

    Today: Sunny, with a high near 84. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southwest wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 6 to 13 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers. Low around 57. Northwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 72. North wind around 5 mph becoming light and variable in the afternoon.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 84. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 66. Southwest wind around 6 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 6 to 13 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers. Low around 57. Northwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 72. North wind around 5 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 68.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 49.
Saturday
Showers, mainly after 8am. High near 61. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Memorial Day
Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
2:21 am EDT May 19, 2026
Forecast Valid:
5am EDT May 19, 2026-6pm EDT May 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