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.

Fair

78°F

26°C

Humidity 39%
Wind Speed N 9 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Jul 12:56 pm EDT
Extended Forecast for

2 Miles N Old Mystic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Northeast wind around 5 mph becoming light and variable.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Partly sunny, with a high near 79. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Northeast wind around 5 mph becoming light and variable.
Tonight
Mostly clear, with a low around 55. Calm wind.
Monday
Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 63. Light south wind.
Tuesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 79. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers. High near 77. Chance of precipitation is 80%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Old Mystic CT
 41.4°N 71.98°W (Elev. 98 ft)
Last Update:
2:49 am EDT Jul 26, 2026
Forecast Valid:
1pm EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation