Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

77°F

25°C

Humidity 85%
Wind Speed S 10 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Aug 11:56 am EDT
Extended Forecast for

2 Miles SSE Preston CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. South wind around 11 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 69. South wind 5 to 8 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 78. South wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. South wind around 11 mph.
Tonight
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 69. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 78. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 83. Light and variable wind becoming northwest around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 71.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Preston CT
 41.53°N 71.98°W (Elev. 200 ft)
7:44 am EDT Aug 2, 2026
12pm EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
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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