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

67°F

19°C

Humidity 73%
Wind Speed SE 15 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Jun 1:56 pm EDT
Extended Forecast for

Mystic CTSimilar City Names

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 68. East wind around 11 mph.

    High: 68 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of light rain after 2am. Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming light after midnight.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Rain

  • Tuesday

    Tuesday: A slight chance of light rain before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 2pm. Mostly cloudy, with a high near 76. South wind 3 to 7 mph.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 68. East wind around 11 mph.
Tonight
A 20 percent chance of light rain after 2am. Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming light after midnight.
Tuesday
A slight chance of light rain before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers. Cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms before 2pm. Mostly cloudy, with a high near 76. South wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 65.
Juneteenth
Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CTSimilar City Names
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
11:11 am EDT Jun 16, 2025
Forecast Valid:
2pm EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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