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

48°F

9°C

Humidity 68%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 11 Mar 2:53 am EDT
Extended Forecast for

South Windsor CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 8am. Increasing clouds, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance Rain

  • Thursday

    Thursday: Rain, mainly before 5pm. High near 55. Southwest wind 11 to 15 mph becoming northwest in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 45. South wind 5 to 15 mph, with gusts as high as 26 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain between 7pm and 2am. Mostly cloudy, with a low around 35. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 47. West wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Northwest wind 3 to 8 mph.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
A slight chance of rain after 8am. Increasing clouds, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain, mainly before 5pm. High near 55. Southwest wind 11 to 15 mph becoming northwest in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 28. West wind 6 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 45. South wind 5 to 15 mph, with gusts as high as 26 mph.
Friday Night
A chance of rain between 7pm and 2am. Mostly cloudy, with a low around 35. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 47. West wind 13 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 27. Northwest wind 3 to 8 mph.
Sunday
Cloudy, with a high near 47. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Sunday Night
Rain likely. Cloudy, with a low around 38. Southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday
Rain. High near 59. South wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 28. West wind 10 to 13 mph. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 40. Northwest wind 9 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Windsor CT
 41.81°N 72.63°W (Elev. 56 ft)
Last Update:
2:50 am EDT Mar 11, 2026
Forecast Valid:
3am EDT Mar 11, 2026-6pm EDT Mar 17, 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