Hillman State Park Weather Forecast

    • 54
    • 66

    Increasing Clouds

    • 49
    • 69

    Chance Rain Showers

    • 55
    • 77

    Partly Sunny

    • 57
    • 78

    Rain Showers Likely

    • 50
    • 67

    Rain Showers Likely

    • 47
    • 68

    Slight Chance Rain Showers

Today 21 Apr Washington

Mostly sunny. Highs in the mid 60s. Southwest Winds around 10 Mph.

Tonight 21 Apr Washington

Mostly cloudy. A slight chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Mild. Lows in the lower 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hillman State Park Temperature Statistics

April Temperature

Pittsburgh, Pittsburgh International Airport (7.5 miles)

  • Lowest 8 April, 2026

    25.6 °F

  • Average April

    60 °F

  • Highest 15 April, 2026

    84.7 °F

Climate (2021–Present)

Pittsburgh, Pittsburgh International Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads