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

55°F

13°C

Humidity 93%
Wind Speed NE 15 G 22 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Oct 11:56 pm EDT
Extended Forecast for

2 Miles SSE Preston CT

  • Overnight

    Overnight: Rain, mainly before 2am. Low around 52. Northeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 71. North wind 6 to 8 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60. Southwest wind 6 to 8 mph.

    Low: 60 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 2am. Low around 52. Northeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 71. North wind 6 to 8 mph.
Monday Night
Increasing clouds, with a low around 52. Calm wind.
Tuesday
Mostly cloudy, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60. Southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Showers likely, mainly after 2pm. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 55. Breezy.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Preston CT
 41.51°N 71.99°W (Elev. 190 ft)
Last Update:
3:33 pm EDT Oct 11, 2026
Forecast Valid:
12am EDT Oct 12, 2026-6pm EDT Oct 18, 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