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

Hartford, Hartford-Brainard Airport (KHFD)

Lat: 41.74°NLon: 72.65°WElev: 16ft.

Mostly Cloudy

79°F

26°C

Humidity 56%
Wind Speed S 14 G 23 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 2:53 pm EDT
Extended Forecast for

Collinsville CT

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 80. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 66. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers and thunderstorms between noon and 2pm, then a slight chance of showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Light west wind. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Northwest wind 3 to 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Light west wind.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Light southwest wind.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Light west wind. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 80. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 66. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms between noon and 2pm, then a slight chance of showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Light west wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 59. Northwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 80. Light west wind.
Saturday Night
Mostly clear, with a low around 58. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 65. Light southwest wind.
Monday
A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Light west wind. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 64. Light east wind. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville CT
 41.8°N 72.93°W (Elev. 318 ft)
Last Update:
2:36 pm EDT Aug 27, 2026
Forecast Valid:
3pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation