Current conditions at

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

Lat: 41.33° N Lon: 72.05° W Elev: 10 ft.

Mostly Cloudy

66°F

19°C

Humidity 63%
Wind Speed N 9 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 23 Jul 2:56 am EDT
Detailed forecast for

Southern Middlesex

Today
Sunny. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon.
Tonight
Mostly clear. Lows around 60. South winds around 5 mph in the evening, becoming light and variable.
Friday
Sunny. Highs in the lower 80s. Light and variable winds, becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. Southeast winds around 5 mph in the evening, becoming light and variable.
Saturday
Sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear. Lows in the lower 60s.
Sunday
Sunny. Highs in the lower 80s.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Monday
Mostly sunny. Highs around 80.
Monday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Tuesday
Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
Tuesday Night
Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent.
Wednesday
Partly sunny. A chance of showers. Highs in the upper 70s. Chance of rain 50 percent.



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214 AM EDT Thu Jul 23 2026
 
 

Additional Resources

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National Digital Forecast Database