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Hazardous Weather Conditions

Current conditions at

Hartford, Hartford-Brainard Airport (KHFD)

Lat: 41.74°NLon: 72.65°WElev: 16ft.

Thunderstorm in Vicinity

78°F

26°C

Humidity 82%
Wind Speed S 12 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 May 5:53 pm EDT
Extended Forecast for

Unionville CT

Heat Advisory May 19, 06:04pm until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 19, 06:04pm until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny and hot, with a high near 92. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 53. Northwest wind around 9 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 70. North wind 3 to 7 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 46. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 9am. Cloudy, with a high near 59. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny and hot, with a high near 92. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Increasing clouds, with a low around 53. Northwest wind around 9 mph.
Thursday
Partly sunny, with a high near 70. North wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 69. Light and variable wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 46. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 9am. Cloudy, with a high near 59. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 47. East wind 3 to 5 mph. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 62. East wind 5 to 7 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 72. North wind 3 to 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 54. Light northwest wind.
Tuesday
A chance of showers. Partly sunny, with a high near 75. Calm wind becoming northwest 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
 41.78°N 72.9°W (Elev. 312 ft)
Last Update:
2:28 pm EDT May 19, 2026
Forecast Valid:
6pm EDT May 19, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation