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

76°F

24°C

Humidity 48%
Wind Speed S 8 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Jun 1:56 pm EDT
Extended Forecast for

2 Miles S Preston CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Southwest wind around 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 62. South wind 3 to 6 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 78. South wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Cloudy, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Southwest wind around 8 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 62. South wind 3 to 6 mph.
Friday
A chance of showers before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 78. South wind 5 to 9 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 8am. Cloudy, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Preston CT
 41.53°N 71.98°W (Elev. 200 ft)
Last Update:
2:19 pm EDT Jun 25, 2026
Forecast Valid:
2pm EDT Jun 25, 2026-6pm EDT Jul 1, 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