Simsbury Weather Forecast

    • 50
    • 82

    Increasing Clouds

    • 48
    • 68

    Partly Sunny

    • 54
    • 64

    Rain Showers

    • 49
    • 65

    Chance Rain Showers

    • 47
    • 61

    Chance Rain Showers

    • 47
    • 62

    Chance Rain Showers

    • 49
    • 61

    Chance Rain Showers

Today 18 Sep Hartford

Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.

Tonight 18 Sep Hartford

Partly cloudy. Much cooler with Lows in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simsbury Temperature Statistics

September Temperature

Windsor Locks, Bradley International Airport (8.1 miles)

  • Lowest 15 September, 2026

    45.6 °F

  • Average September

    67.6 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Windsor Locks, Bradley International Airport (8.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    63.4 °F
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