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.

Fog/Mist

64°F

18°C

Humidity 100%
Wind Speed SE 10 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 64°F (18°C)
Visibility 1.00 mi
Last update 17 Jun 12:56 pm EDT
Extended Forecast for

2 Miles WSW Groton CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 2pm. Cloudy, with a high near 68. East wind around 7 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Cloudy, with a high near 74. South wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers then
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Southwest wind 6 to 13 mph.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers between 8pm and 11pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 2pm. Cloudy, with a high near 68. East wind around 7 mph.
Tonight
A 30 percent chance of showers, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Cloudy, with a high near 74. South wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 40%.
Juneteenth
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Southwest wind 6 to 13 mph.
Thursday Night
A chance of showers between 8pm and 11pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Groton CT
 41.32°N 72.12°W (Elev. 52 ft)
Last Update:
12:28 pm EDT Jun 17, 2025
Forecast Valid:
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation