Harriet Hollister Spencer Weather Forecast

    • 47
    • 56

    Mostly Cloudy

    • 47
    • 58

    Mostly Cloudy

    • 46
    • 58

    Partly Sunny

    • 46
    • 57

    Mostly Cloudy

    • 47
    • 59

    Partly Sunny

    • 50
    • 63

    Partly Sunny

Today 21 Sep Ontario

Mostly cloudy. Highs Ranging from the mid 50s on the Hilltops to the lower 60s across the lower Elevations. Northeast Winds 10 Mph or less.

Tonight 21 Sep Ontario

Mostly cloudy. Lows in the mid 40s. Light Winds.

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Harriet Hollister Spencer Temperature Statistics

September Temperature

Wellsville, Wellsville Municipal Airport (46 miles)

  • Lowest 7 September, 2026

    44.1 °F

  • Average September

    64.3 °F

  • Highest 1 September, 2026

    81 °F

Climate (2021–2026)

Wellsville, Wellsville Municipal Airport (46 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.1 °F
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