Current conditions at

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

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

Partly Cloudy

49°F

9°C

Humidity 83%
Wind Speed SW 8 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 30 Mar 9:56 pm EDT
Detailed forecast for

Southern Middlesex

Tonight
Partly cloudy this evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Southwest winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph after midnight. Chance of rain 50 percent.
Tuesday
Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
Tuesday Night
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Wednesday
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Wednesday Night
Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 40s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 70 percent.
Thursday
Cloudy with a 40 percent chance of showers. Highs in the upper 40s.
Thursday Night
Cloudy with a 30 percent chance of showers. Lows around 40.
Friday
Mostly cloudy. Highs in the lower 60s.
Friday Night
Mostly cloudy with a 30 percent chance of showers. Lows around 50.
Saturday
Mostly cloudy. Highs in the mid 60s.
Saturday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 40s.
Sunday
Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s.
Sunday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s.
Monday
Partly sunny with a 40 percent chance of showers. Highs in the mid 50s.



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555 PM EDT Mon Mar 30 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database