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

Hazardous Weather Conditions

Current conditions at

Willimantic, Windham Airport (KIJD)

Lat: 41.74°NLon: 72.18°WElev: 246ft.

Light Rain

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Jul 11:52 pm EDT
Extended Forecast for

Coventry Lake CT

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A chance of showers and thunderstorms, mainly before 4am. Patchy fog after 2am. Otherwise, cloudy, with a low around 69. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 69. South wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 9pm. Partly cloudy, with a low around 73. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly before 4am. Patchy fog after 2am. Otherwise, cloudy, with a low around 69. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 69. South wind around 6 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 9pm. Partly cloudy, with a low around 73. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. North wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 63. South wind around 6 mph becoming calm in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 81. Southwest wind 3 to 8 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 82. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coventry Lake CT
 41.77°N 72.34°W (Elev. 518 ft)
Last Update:
12:32 am EDT Jul 15, 2025
Forecast Valid:
12am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation