South Windsor Weather Forecast

    • 59
    • 78

    Increasing Clouds

    • 64
    • 81

    Mostly Cloudy

    • 48
    • 78

    Mostly Sunny

    • 50
    • 69

    Mostly Cloudy

    • 51
    • 67

    Rain Showers Likely

    • 52
    • 70

    Chance Rain Showers

Today 16 Sep Hartford

Mostly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 16 Sep Hartford

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. South Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Windsor Temperature Statistics

September Temperature

Hartford, Hartford-Brainard Airport (7.5 miles)

  • Lowest 7 September, 2026

    51.1 °F

  • Average September

    69.2 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Hartford, Hartford-Brainard Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    63.2 °F
Get WillyWeather+ to remove ads