Ontario County Park Weather Forecast

    • 49
    • 59

    Mostly Sunny

    • 43
    • 67

    Chance Rain Showers

    • 44
    • 56

    Partly Sunny

    • 48
    • 65

    Partly Sunny

    • 47
    • 62

    Mostly Sunny

    • 47
    • 63

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

Today 28 May Ontario

Partly to mostly sunny. Highs Ranging from the upper 50s on the Hilltops to the mid 60s across the lower Elevations. North Winds 10 to 15 Mph, becoming northwest.

Tonight 28 May Ontario

Mainly clear. Lows in the upper 40s. Northwest Winds 5 to 10 Mph, becoming light.

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Ontario County Park Temperature Statistics

May Temperature

Wellsville, Wellsville Municipal Airport (50.3 miles)

  • Lowest 2 May, 2026

    28.9 °F

  • Average May

    52.4 °F

  • Highest 18 May, 2026

    86 °F

Climate (2021–Present)

Wellsville, Wellsville Municipal Airport (50.3 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57 °F
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