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.

A Few Clouds

55°F

13°C

Humidity 83%
Wind Speed Calm
Barometer 29.87 in (1011.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 14 Apr 11:56 pm EDT
Extended Forecast for

3 Miles SSW Niantic CT

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 52. Southwest wind around 6 mph.

    Low: 52 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 53. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 69. South wind 3 to 8 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 52. Southwest wind 3 to 6 mph.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 52. Southwest wind around 6 mph.
Wednesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 53. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 69. South wind 3 to 8 mph.
Thursday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 52. Southwest wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
9:09 pm EDT Apr 14, 2026
Forecast Valid:
12am EDT Apr 15, 2026-6pm EDT Apr 21, 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