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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

69°F

21°C

Humidity 76%
Wind Speed SW 8 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 10 Jun 9:56 am EDT
Extended Forecast for

Groton / New London Airport CT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 73. South wind 8 to 10 mph.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. West wind 6 to 11 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 67. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 73. South wind 8 to 10 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. West wind 6 to 11 mph.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 67. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 85.
Sunday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 62.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 49 ft)
Last Update:
3:43 am EDT Jun 10, 2026
Forecast Valid:
10am EDT Jun 10, 2026-6pm EDT Jun 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation