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.

Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed SE 8 mph
Barometer 29.65 in (1003.8 mb)
Dewpoint 57°F (14°C)
Visibility 1.00 mi
Last update 8 May 8:56 am EDT
Extended Forecast for

Old Mystic CT

  • Today

    Today: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Cloudy, with a high near 63. South wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Northwest wind around 8 mph becoming east in the afternoon.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am. Cloudy, with a low around 47. Northeast wind around 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.

    Low: 47 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 55. Northeast wind around 10 mph.

    High: 55 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Cloudy, with a high near 63. South wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Northwest wind around 8 mph becoming east in the afternoon.
Thursday Night
Showers likely, mainly between 8pm and 2am. Cloudy, with a low around 47. Northeast wind around 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.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 55. Northeast wind around 10 mph.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 45.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Mystic CT
 41.38°N 72.01°W (Elev. 299 ft)
Last Update:
7:12 am EDT May 8, 2024
Forecast Valid:
9am EDT May 8, 2024-6pm EDT May 14, 2024
 
Forecast Discussion
 
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Additional Resources

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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