Belle Vernon Weather Forecast

    • 47
    • 67

    Decreasing Clouds

    • 48
    • 69

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 56
    • 72

    Mostly Cloudy

    • 60
    • 72

    Chance Rain Showers

Today 25 Sep Wyandot

Partly cloudy. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 25 Sep Wyandot

Partly cloudy in the Evening, then clearing. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Belle Vernon Temperature Statistics

September Temperature

Marion, Marion Municipal Airport (22.4 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    70.3 °F

  • Highest 3 September, 2026

    93.9 °F

Climate (2021–2026)

Marion, Marion Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    63 °F
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