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.

Light Rain Fog/Mist

58°F

14°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 29.58 in (1001.8 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 12 Mar 2:53 am EDT
Extended Forecast for

South Windsor CT

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain likely before 3pm, then snow likely. Cloudy, with a temperature falling to around 34 by 5pm. Northwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 55 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 27. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 40. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 40 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Partly cloudy, with a low around 35. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Breezy, with a west wind 11 to 20 mph, with gusts as high as 37 mph.

    High: 48 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Cloudy, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain likely before 3pm, then snow likely. Cloudy, with a temperature falling to around 34 by 5pm. Northwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 27. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 40. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
A slight chance of rain before 2am. Partly cloudy, with a low around 35. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 48. Breezy, with a west wind 11 to 20 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly cloudy, with a high near 46. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Rain. High near 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Monday Night
Rain and snow. Low around 32. South wind 14 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 21. Northwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 38. West wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Windsor CT
 41.81°N 72.63°W (Elev. 56 ft)
Last Update:
2:43 am EDT Mar 12, 2026
Forecast Valid:
3am EDT Mar 12, 2026-6pm EDT Mar 18, 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