Current conditions at

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

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

Overcast

70°F

21°C

Humidity 97%
Wind Speed NE 6 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 11:56 pm EDT
Detailed forecast for

Southern New London

Tonight
Mostly cloudy this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 60s. North winds 5 to 10 mph.
Tuesday
Patchy fog in the morning. Mostly sunny. Humid with highs in the lower 80s. North winds around 5 mph, becoming west in the afternoon.
Tuesday Night
Partly cloudy. A slight chance of showers in the evening. Humid with lows in the mid 60s. West winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent.
Wednesday
Sunny. Highs in the lower 80s. Northwest winds around 5 mph, becoming southwest in the afternoon.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph.
Thursday
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
Thursday Night
Mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
Friday
Partly sunny with a 40 percent chance of showers. Highs around 80.
Friday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 60s.
Saturday
Partly sunny with a 50 percent chance of showers. Highs in the upper 70s.
Saturday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.
Sunday
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the upper 70s.
Sunday Night
Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows in the mid 60s.
Monday
Mostly sunny. Highs around 80.



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445 PM EDT Mon Aug 17 2026
 
 

Additional Resources

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