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Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

55°F

13°C

Humidity 55%
Wind Speed N 3 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Oct 5:56 pm EDT
Extended Forecast for

Preston CT

Frost Advisory October 17, 11:00pm until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, mostly clear, with a low around 32. North wind 3 to 7 mph.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 64. Light north wind.

    High: 64 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Light south wind increasing to 9 to 14 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.

    High: 65 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, mostly clear, with a low around 32. North wind 3 to 7 mph.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 64. Light north wind.
Saturday Night
Partly cloudy, with a low around 44. Calm wind.
Sunday
Mostly sunny, with a high near 68. Light south wind increasing to 9 to 14 mph in the morning.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 65.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
4:43 pm EDT Oct 17, 2025
Forecast Valid:
6pm EDT Oct 17, 2025-6pm EDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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