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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.

A Few Clouds

43°F

6°C

Humidity 68%
Wind Speed N 10 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 17 Oct 7:56 am EDT
Extended Forecast for

Preston CTSimilar City Names

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

  • Today

    Today: Sunny, with a high near 62. North wind 9 to 11 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

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

    High: 64 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Light south wind increasing to 9 to 14 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °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: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. North wind 9 to 11 mph.
Tonight
Patchy frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 3 to 6 mph.
Saturday
Patchy frost before 9am. Otherwise, sunny, with a high near 64. Light north wind.
Saturday Night
Partly cloudy, with a low around 45. Calm wind.
Sunday
Mostly sunny, with a high near 67. 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 53. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Preston CTSimilar City Names
 41.55°N 71.98°W (Elev. 200 ft)
Last Update:
7:59 am EDT Oct 17, 2025
Forecast Valid:
8am EDT Oct 17, 2025-6pm EDT Oct 23, 2025
 
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Additional Resources

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Chance of Precipitation