South Windsor Weather Forecast

    • 57
    • 73

    Increasing Clouds

    • 64
    • 78

    Mostly Cloudy

    • 55
    • 81

    Partly Sunny

    • 46
    • 70

    Slight Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 40
    • 65

    Mostly Sunny

Today 30 Sep Hartford

Sunny this Morning, then becoming partly sunny. Highs in the lower 70s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.

Tonight 30 Sep Hartford

Mostly cloudy. Lows in the upper 50s. South Winds around 5 Mph.

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South Windsor Temperature Statistics

September Temperature

Hartford, Hartford-Brainard Airport (7.5 miles)

  • Lowest 24 September, 2026

    46.9 °F

  • Average September

    65.3 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Hartford, Hartford-Brainard Airport (7.5 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    63.1 °F
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