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

50°F

10°C

Humidity 83%
Wind Speed N 9 mph
Barometer 30.41 in (1029.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 23 Sep 12:56 am EDT
Extended Forecast for

2 Miles SSW Preston CT

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Northeast wind around 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Northeast wind 13 to 18 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Northeast wind 9 to 13 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northeast wind 13 to 15 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. North wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Northeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 67. Northeast wind 13 to 18 mph.
Wednesday Night
Partly cloudy, with a low around 47. Northeast wind 9 to 13 mph.
Thursday
Mostly sunny, with a high near 66. Northeast wind 13 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 47. North wind 10 to 13 mph, with gusts as high as 23 mph.
Friday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 66.
Friday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
10:25 pm EDT Sep 22, 2026
Forecast Valid:
1am EDT Sep 23, 2026-6pm EDT Sep 29, 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