National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

39°F

4°C

Humidity 96%
Wind Speed Calm
Barometer 30.40 in (1029.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 2 Nov 3:56 am EST
Extended Forecast for

2 Miles ESE Groton / New London Airport CT

  • Today

    Today: Sunny, with a high near 62. Southwest wind 7 to 11 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southwest wind around 8 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Southwest wind 6 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Southwest wind 3 to 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. South wind 3 to 8 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a steady temperature around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 62. Southwest wind 7 to 11 mph.
Tonight
Mostly clear, with a low around 51. Southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 64. Southwest wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 53. Southwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 66. South wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a steady temperature around 60.
Thursday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 67.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 64.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Groton / New London Airport CT
 41.31°N 72°W (Elev. 3 ft)
Last Update:
1:19 am EST Nov 2, 2026
Forecast Valid:
4am EST Nov 2, 2026-6pm EST Nov 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation