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

56°F

13°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 1:56 am EDT
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. East wind 6 to 9 mph becoming south in the afternoon.

    High: 68 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 62. Southwest wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West wind around 9 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northwest wind 3 to 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 54. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. East wind 6 to 9 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 62. Southwest wind 5 to 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 77. West wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 50.
Friday
Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 45. Breezy.
Saturday
Mostly sunny, with a high near 53. Breezy.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
10:43 pm EDT Oct 12, 2026
Forecast Valid:
2am EDT Oct 13, 2026-6pm EDT Oct 19, 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