Current conditions at

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

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

Overcast

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 29.72 in (1006.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 May 3:56 am EDT
Detailed forecast for

Southern Middlesex

Today
Partly sunny. A slight chance of showers this afternoon. Highs in the mid 60s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
Tonight
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 50s. North winds around 5 mph, becoming west after midnight. Chance of rain 20 percent.
Saturday
Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Saturday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Sunday
Sunny. Highs in the lower 80s. West winds 5 to 10 mph.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Monday
Sunny. Highs in the mid 70s.
Monday Night
Mostly clear. Lows in the upper 50s.
Tuesday
Sunny. Highs in the lower 80s.
Tuesday Night
Mostly clear. Lows in the lower 60s.
Wednesday
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
Wednesday Night
Mostly cloudy. A chance of showers. Lows in the upper 50s. Chance of rain 40 percent.
Thursday
Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.



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246 AM EDT Fri May 15 2026
 
 

Additional Resources

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National Digital Forecast Database