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.

Fog/Mist

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1017.8 mb)
Dewpoint 71°F (22°C)
Visibility 5.00 mi
Last update 15 Jul 4:53 am 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

  • Today

    Today: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 89 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly 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 20%.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • 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 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 90. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 88 °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 65. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light north wind.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly 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 20%.
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 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 90. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. North wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 85. Light north wind.
Saturday Night
Mostly cloudy, with a low around 65. Light southwest wind.
Sunday
A chance of showers. Partly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 84. West wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville CT
 41.75°N 72.85°W (Elev. 197 ft)
Last Update:
1:16 am EDT Jul 15, 2025
Forecast Valid:
5am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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