Harriet Hollister Spencer Weather Forecast

    • 38
    • 53

    Decreasing Clouds

    • 44
    • 53

    Mostly Sunny

    • 49
    • 65

    Partly Sunny

    • 46
    • 62

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 44
    • 57

    Mostly Sunny

Today 5 Oct Ontario

Mostly sunny. Highs Ranging from the lower 50s on the Hilltops to the upper 50s across the lower Elevations. West Winds 10 to 15 Mph, becoming northwest with Gusts up to 30 Mph.

Tonight 5 Oct Ontario

Partly cloudy with Areas of frost developing overnight. Chilly with Lows in the upper 30s. Northwest Winds 10 to 15 Mph, becoming light.

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Harriet Hollister Spencer Temperature Statistics

October Temperature

Wellsville, Wellsville Municipal Airport (46 miles)

  • Lowest 2 October, 2026

    48.9 °F

  • Average October

    62.7 °F

  • Highest 1 October, 2026

    73 °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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