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

71°F

22°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 12:56 pm EDT
Extended Forecast for

2 Miles SSW Preston CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. West wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 82. West wind 3 to 5 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 52. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Monday
Sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 54.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76.
Tuesday Night
Showers likely after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Preston CT
 41.53°N 72.01°W (Elev. 200 ft)
Last Update:
10:06 am EDT Oct 4, 2025
Forecast Valid:
1pm EDT Oct 4, 2025-6pm EDT Oct 10, 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