Webster Weather Forecast

    • 64
    • 76

    Mostly Cloudy

    • 67
    • 83

    Rain Showers

    • 55
    • 75

    Mostly Cloudy

    • 54
    • 70

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 59
    • 78

    Slight Chance Rain Showers

Today 8 Sep Monroe

Partly sunny. Highs Ranging from the mid 70s along the lake Ontario shore to the upper 70s inland. Light Winds.

Tonight 8 Sep Monroe

Mostly cloudy and warm with Lows in the mid 60s. Light Winds.

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Webster Temperature Statistics

September Temperature

Rochester, Greater Rochester International Airport (13.7 miles)

  • Lowest 5 September, 2026

    57.9 °F

  • Average September

    73 °F

  • Highest 2 September, 2026

    85.6 °F

Climate (2021–2026)

Rochester, Greater Rochester International Airport (13.7 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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