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

Hazardous Weather Conditions

Current conditions at

Hartford, Hartford-Brainard Airport (KHFD)

Lat: 41.74°NLon: 72.65°WElev: 16ft.

Overcast

79°F

26°C

Humidity 58%
Wind Speed S 5 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 30 Jun 8:53 pm EDT
Extended Forecast for

Unionville CT

Extreme Heat Warning July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 106. Southwest wind around 8 mph. Chance of precipitation is 20%.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. South wind 5 to 7 mph becoming calm in the evening.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 112. Calm wind becoming west 5 to 8 mph in the morning.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 77. West wind around 6 mph becoming calm in the evening.

    Low: 77 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Northwest wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. West wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 106. Southwest wind around 8 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 73. South wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 112. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Clear, with a low around 77. West wind around 6 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 100. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 72. Northwest wind 3 to 6 mph.
Independence Day
A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. West wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of thunderstorms after 5pm. Partly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Light and variable wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville CT
 41.75°N 72.88°W (Elev. 207 ft)
Last Update:
3:34 pm EDT Jun 30, 2026
Forecast Valid:
9pm EDT Jun 30, 2026-6pm EDT Jul 7, 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