Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

37°F

3°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 Oct 6:56 am EDT
Extended Forecast for

2 Miles NNE Deep River CT

Frost Advisory October 7, 07:33am until October 7, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 7, 07:33am until October 7, 09:00am

    NOW until 9:00am Wed

    Frost Advisory

  • Today

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind around 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of sprinkles before 11am, then a slight chance of showers between 11am and 2pm.  Partly sunny, with a high near 72. Southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light west wind increasing to 5 to 9 mph in the morning.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 65. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 54. Southwest wind around 6 mph.
Thursday
A chance of sprinkles before 11am, then a slight chance of showers between 11am and 2pm. Partly sunny, with a high near 72. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Light west wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 70.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Deep River CT
 41.43°N 72.42°W (Elev. 98 ft)
3:09 am EDT Oct 7, 2026
7am EDT Oct 7, 2026-6pm EDT Oct 13, 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