Hillman State Park Weather Forecast

    • 27
    • 35

    Mostly Cloudy

    • 20
    • 36

    Chance Rain/Snow

    • 13
    • 27

    Partly Sunny

    • 29
    • 34

    Chance Rain/Snow

    • 26
    • 41

    Rain/Snow

    • 21
    • 34

    Chance Snow

Today 6 Dec Washington

Considerable cloudiness. Highs in the mid 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 6 Dec Washington

Considerable cloudiness. Lows in the mid 20s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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Hillman State Park Temperature Statistics

December Temperature

Pittsburgh, Pittsburgh International Airport (7.5 miles)

  • Lowest 3 December, 2025

    27 °F

  • Average December

    29.5 °F

  • Highest 1 December, 2025

    33.1 °F

Climate (2020–Present)

Pittsburgh, Pittsburgh International Airport (7.5 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    63.1 °F
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