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

Windsor Locks, Bradley International Airport (KBDL)

Lat: 41.94°NLon: 72.68°WElev: 174ft.

Partly Cloudy

69°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.11 in (1019.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Aug 11:51 pm EDT
Extended Forecast for

Collinsville CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 4am. Increasing clouds, with a low around 67. Light south wind. Chance of precipitation is 30%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Sunny then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Light southwest wind becoming west 5 to 9 mph in the morning. 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 68. West wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Increasing clouds, with a low around 67. Light south wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. West wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86. West wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 66. Light west wind.
Monday
Sunny, with a high near 87. West wind 5 to 9 mph.
Monday Night
A chance of showers. Partly cloudy, with a low around 66. West wind around 6 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville CT
 41.82°N 72.92°W (Elev. 299 ft)
Last Update:
7:03 pm EDT Aug 4, 2026
Forecast Valid:
12am EDT Aug 5, 2026-6pm EDT Aug 11, 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