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.

Overcast

40°F

4°C

Humidity 65%
Wind Speed N 7 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Mar 2:56 am EDT
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 40. Northeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 51. North wind 5 to 7 mph becoming east in the afternoon.

    High: 51 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Areas of drizzle and fog after 2am. Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Drizzle and
    Areas Fog

  • Saturday

    Saturday: Areas of drizzle and fog before 11am, then a slight chance of showers after 2pm. Cloudy, with a high near 53. South wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 53 °F

    Areas Drizzle
    and Areas Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 8pm. Cloudy, with a low around 43. South wind 5 to 8 mph.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Monday

    Monday: Rain before 2pm, then a chance of showers after 2pm. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 40. Northeast wind around 6 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 51. North wind 5 to 7 mph becoming east in the afternoon.
Friday Night
Areas of drizzle and fog after 2am. Increasing clouds, with a low around 36. Calm wind.
Saturday
Areas of drizzle and fog before 11am, then a slight chance of showers after 2pm. Cloudy, with a high near 53. South wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers, mainly after 8pm. Cloudy, with a low around 43. South wind 5 to 8 mph.
Sunday
A 40 percent chance of showers. Cloudy, with a high near 57.
Sunday Night
Rain. Low around 47. Chance of precipitation is 90%.
Monday
Rain before 2pm, then a chance of showers after 2pm. High near 54. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 36.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
3:44 am EDT Mar 14, 2025
Forecast Valid:
3am EDT Mar 14, 2025-6pm EDT Mar 20, 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