Simsbury Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 53
    • 78

    Partly Sunny

    • 56
    • 73

    Chance Rain Showers

    • 58
    • 80

    Slight Chance Rain Showers

    • 47
    • 79

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

Today 15 Sep Hartford

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

Tonight 15 Sep Hartford

Partly cloudy. Lows in the mid 50s. Southeast Winds around 5 Mph, becoming northeast after midnight.

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Simsbury Temperature Statistics

September Temperature

Windsor Locks, Bradley International Airport (8.1 miles)

  • Lowest 8 September, 2025

    46.9 °F

  • Average September

    64.4 °F

  • Highest 6 September, 2025

    84 °F

Climate (2020–Present)

Windsor Locks, Bradley International Airport (8.1 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63.5 °F
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