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

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.10 in (1019.1 mb)
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 6 Aug 2:53 am EDT
Extended Forecast for

Unionville CT

Heat Advisory August 6, 11:00am until August 7, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Heat index values as high as 96. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 87. Calm wind becoming west around 5 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: 87 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.

    Low: 72 °F

    Heavy Rain
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 86. Southwest wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. West wind 3 to 8 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Light northwest wind.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Heat index values as high as 96. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 87. Calm wind becoming west around 5 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.
Friday Night
A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 86. Southwest wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 86. West wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 67. Light northwest wind.
Monday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 68. West wind 3 to 5 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 87. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 65. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82. West wind 3 to 7 mph.
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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:
2:31 am EDT Aug 6, 2026
Forecast Valid:
2am EDT Aug 6, 2026-6pm EDT Aug 12, 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