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.

Fair

75°F

24°C

Humidity 69%
Wind Speed SE 3 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 5 Aug 9:53 am EDT
Extended Forecast for

Collinsville CT

  • Today

    Today: Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Heat index values as high as 95. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the afternoon. 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, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 68. West wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. West wind 3 to 7 mph.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 67. Light south wind.
Thursday
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Heat index values as high as 95. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 68. West wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 86. West wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 66. Light west wind.
Monday
Mostly sunny, with a high near 86. Calm wind becoming west 5 to 9 mph in the morning.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65. West wind around 6 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collinsville CT
 41.8°N 72.93°W (Elev. 318 ft)
Last Update:
4:04 am EDT Aug 5, 2026
Forecast Valid:
10am EDT Aug 5, 2026-6pm EDT Aug 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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