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

49°F

9°C

Humidity 90%
Wind Speed N 8 mph
Barometer 30.42 in (1030.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 24 Sep 4:56 am EDT
Extended Forecast for

2 Miles SSE Preston CT

  • Today

    Today: Mostly sunny, with a high near 66. Northeast wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northeast wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 63. Breezy, with a north wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 63 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 51. Breezy, with a north wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Showers. High near 61. Breezy, with a north wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 2am. Low around 51. Breezy. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 63. Breezy. Chance of precipitation is 90%.

    High: 63 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 66. Northeast wind 11 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 48. Northeast wind 11 to 15 mph, with gusts as high as 28 mph.
Friday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 63. Breezy, with a north wind 18 to 21 mph, with gusts as high as 34 mph.
Friday Night
Showers, mainly after 8pm. Low around 51. Breezy, with a north wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 61. Breezy, with a north wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers, with thunderstorms also possible after 2am. Low around 51. Breezy. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 63. Breezy. Chance of precipitation is 90%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 64.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Preston CT
 41.53°N 71.98°W (Elev. 200 ft)
Last Update:
3:06 am EDT Sep 24, 2026
Forecast Valid:
5am EDT Sep 24, 2026-6pm EDT Sep 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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