Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

77°F

25°C

Humidity 85%
Wind Speed S 7 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Aug 9:56 am EDT
Extended Forecast for

Groton CT

  • Today

    Today: Sunny, with a high near 80. Southwest wind 7 to 9 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 6 to 9 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Southwest wind 5 to 7 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 80. South wind 6 to 11 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers.  Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Southwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 69. Southwest wind 5 to 7 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 80. South wind 6 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton CT
 41.32°N 72.06°W (Elev. 3 ft)
1:57 am EDT Aug 11, 2025
10am EDT Aug 11, 2025-6pm EDT Aug 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database