Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

70°F

21°C

Humidity 61%
Wind Speed SW 8 mph
Barometer 29.65 in (1004.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 8:56 am EDT
Extended Forecast for

Groton CT

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 73. West wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 62. West wind 10 to 14 mph.

    Low: 62 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 74. West wind 15 to 17 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. Northwest wind 5 to 8 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm.  Sunny, with a high near 73. Southwest wind 5 to 9 mph.

    High: 73 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely before 2pm, then rain after 2pm.  High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Rain

  • Monday Night

    Monday Night: Rain before 8pm, then showers likely, mainly between 8pm and 2am.  Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm.  Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Juneteenth
Partly sunny, with a high near 73. West wind 10 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 62. West wind 10 to 14 mph.
Saturday
Sunny, with a high near 74. West wind 15 to 17 mph.
Saturday Night
Clear, with a low around 61. Northwest wind 5 to 8 mph.
Sunday
A 20 percent chance of showers after 2pm. Sunny, with a high near 73. Southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Showers likely before 2pm, then rain after 2pm. High near 69. Chance of precipitation is 80%.
Monday Night
Rain before 8pm, then showers likely, mainly between 8pm and 2am. Low around 63. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton CT
 41.34°N 72.08°W (Elev. 36 ft)
9:36 am EDT Jun 19, 2026
9am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
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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