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

54°F

12°C

Humidity 83%
Wind Speed S 9 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 13 May 5:56 pm EDT
Extended Forecast for

2 Miles SSE Preston CT

  • Tonight

    Tonight: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52. South wind 7 to 15 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 62. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 62. North wind 3 to 8 mph.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52. South wind 7 to 15 mph, with gusts as high as 30 mph.
Thursday
Showers and possibly a thunderstorm. High near 62. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 62. North wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
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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:
2:21 pm EDT May 13, 2026
Forecast Valid:
6pm EDT May 13, 2026-6pm EDT May 20, 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