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Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

53°F

12°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 17 Mar 11:56 am EDT
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Rain before 2pm, then showers likely, mainly between 2pm and 5pm. High near 55. Light and variable wind becoming southwest around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 11pm. Cloudy, with a low around 36. North wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 56. North wind around 7 mph.

    High: 56 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Light and variable wind becoming east around 6 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely after 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 46.

    High: 46 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Rain before 2pm, then showers likely, mainly between 2pm and 5pm. High near 55. Light and variable wind becoming southwest around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 40 percent chance of showers, mainly before 11pm. Cloudy, with a low around 36. North wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 56. North wind around 7 mph.
Tuesday Night
Clear, with a low around 39. Calm wind.
Wednesday
Mostly sunny, with a high near 56. Light and variable wind becoming east around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly cloudy, with a high near 53.
Thursday Night
Showers likely after 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 55.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
10:31 am EDT Mar 17, 2025
Forecast Valid:
12pm EDT Mar 17, 2025-6pm EDT Mar 23, 2025
 
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