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

52°F

11°C

Humidity 72%
Wind Speed SW 13 G 20 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 30 Mar 11:56 am EDT
Extended Forecast for

2 Miles SSW Niantic CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 52. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 60. South wind 9 to 14 mph.

    High: 60 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 62. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 52. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Tuesday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 60. South wind 9 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.
Wednesday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 62. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 48.
Thursday Night
A 30 percent chance of rain. Cloudy, with a low around 40.
Friday
A 30 percent chance of rain. Cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 57.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 43.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
5:34 am EDT Mar 30, 2026
Forecast Valid:
12pm EDT Mar 30, 2026-6pm EDT Apr 5, 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