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.

Partly Cloudy

56°F

13°C

Humidity 53%
Wind Speed SW 18 G 26 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 1 May 1:56 pm EDT
Extended Forecast for

3 Miles WSW Niantic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. Southwest wind around 8 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 57. Calm wind becoming south 5 to 7 mph in the morning.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 2pm. Mostly sunny, with a high near 60. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 60 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

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

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 63. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight.
Sunday
A 20 percent chance of rain before 2pm. Mostly sunny, with a high near 60. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Niantic CT
 41.32°N 72.24°W (Elev. 56 ft)
Last Update:
3:35 am EDT May 1, 2026
Forecast Valid:
2pm EDT May 1, 2026-6pm EDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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