National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.08 in (1018.6 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 19 May 5:56 am EDT
Extended Forecast for

West Mystic CT

  • Today

    Today: Sunny, with a high near 81. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southwest wind around 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 83. Southwest wind 6 to 13 mph. Chance of precipitation is 70%.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 56. Northwest wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 70. North wind around 6 mph becoming south in the afternoon.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 81. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 65. Southwest wind around 7 mph.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 83. Southwest wind 6 to 13 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 56. Northwest wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 70. North wind around 6 mph becoming south in the afternoon.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 66.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 48.
Saturday
Showers, mainly after 8am. High near 60. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.35°N 71.99°W (Elev. 98 ft)
Last Update:
2:21 am EDT May 19, 2026
Forecast Valid:
6am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation