Current conditions at

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

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

Fair

28°F

-2°C

Humidity 88%
Wind Speed Calm
Barometer 30.18 in (1021.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 27 Feb 7:56 pm EST
Detailed forecast for

Southern New London

Tonight
Mostly clear this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 20s. South winds around 5 mph.
Saturday
Patchy fog in the morning. Mostly sunny. Highs in the mid 40s. South winds around 5 mph.
Saturday Night
Patchy fog in the evening. Partly cloudy. Lows in the upper 20s. West winds around 5 mph, becoming north after midnight.
Sunday
Snow showers likely. Little or no snow accumulation. Highs in the upper 30s. North winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of snow 70 percent.
Sunday Night
Mostly clear. Lows around 14. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Monday
Mostly sunny. Highs in the upper 20s.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows 15 to 20.
Tuesday
Partly sunny with a chance of rain and snow in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the lower 40s. Chance of precipitation 50 percent.
Tuesday Night
Rain likely. Not as cool with lows in the mid 30s. Chance of rain 70 percent.
Wednesday
Mostly cloudy. A chance of rain in the morning. Highs in the upper 40s. Chance of rain 30 percent.
Wednesday Night
Mostly cloudy. Lows in the lower 30s.
Thursday
Mostly cloudy with a 40 percent chance of rain. Highs in the mid 40s.
Thursday Night
Rain likely. Lows in the mid 30s. Chance of rain 60 percent.
Friday
Cloudy with a 40 percent chance of rain. Highs in the lower 40s.



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554 PM EST Fri Feb 27 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database