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.

Overcast

33°F

1°C

Humidity 56%
Wind Speed N 5 mph
Barometer 30.47 in (1031.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 15 Mar 6:53 am EDT
Extended Forecast for

Collinsville CT

  • Today

    Today: Mostly cloudy, with a high near 46. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after 2am. Patchy fog after 2am. Low around 33. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Rain and
    Patchy Fog

  • Monday

    Monday: Rain and possibly a thunderstorm. Patchy fog before 3pm. High near 61. East wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 61 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 2am, then rain likely. Patchy fog between 8pm and 9pm. Low around 34. Breezy, with a south wind 14 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of rain, mainly before 7am. Mostly sunny, with a high near 40. West wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. South wind around 6 mph becoming calm after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46. Calm wind becoming south 5 to 8 mph in the morning.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 46. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Tonight
Rain, mainly after 2am. Patchy fog after 2am. Low around 33. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. Patchy fog before 3pm. High near 61. East wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Rain and possibly a thunderstorm before 2am, then rain likely. Patchy fog between 8pm and 9pm. Low around 34. Breezy, with a south wind 14 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
A chance of rain, mainly before 7am. Mostly sunny, with a high near 40. West wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 20. West wind 7 to 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 38. Light and variable wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 25. South wind around 6 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 46. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 29. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 51. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32. South wind around 6 mph. Chance of precipitation is 40%.
Saturday
A chance of rain. Partly sunny, with a high near 48. West wind 8 to 11 mph, with gusts as high as 23 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:
1:06 am EDT Mar 15, 2026
Forecast Valid:
7am EDT Mar 15, 2026-6pm EDT Mar 21, 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