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.

Light Rain

73°F

23°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 14 Jul 10:53 pm EDT
Extended Forecast for

Unionville CT

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

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Light and variable wind. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 70. Light southwest wind.

    Low: 70 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 10pm. Partly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 67. North wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 70. Light southwest wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 10pm. Partly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 67. North wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 84. Light and variable wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly sunny, with a high near 83. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville CT
 41.73°N 72.91°W (Elev. 397 ft)
Last Update:
2:03 pm EDT Jul 14, 2025
Forecast Valid:
11pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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