Current conditions at

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

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

Partly Cloudy

70°F

21°C

Humidity 82%
Wind Speed SW 8 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Sep 4:56 pm EDT
Detailed forecast for

Southern Middlesex

This Afternoon
Sunny with a 30 percent chance of showers. Near steady temperature in the mid 70s. Southwest winds around 5 mph.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Patchy fog. Lows in the upper 50s. Southwest winds around 5 mph, becoming north after midnight.
Monday
Patchy fog in the morning. Sunny. Highs in the upper 70s. Northeast winds around 5 mph, becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy. Patchy fog. Lows in the mid 50s. East winds around 5 mph.
Tuesday
Patchy fog in the morning. Mostly sunny. Highs in the mid 70s. East winds 5 to 10 mph.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog. Lows in the mid 50s.
Wednesday
Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.
Wednesday Night
Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent.
Thursday
Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Thursday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.
Friday
Sunny. Highs in the lower 80s.
Friday Night
Mostly clear. Lows in the mid 50s.
Saturday
Sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows in the lower 50s.
Sunday
Mostly sunny. Highs around 70.



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200 PM EDT Sun Sep 14 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database