Johnstown Weather Forecast

    • 54
    • 77

    Mostly Sunny

    • 64
    • 81

    Partly Sunny

    • 64
    • 82

    Rain Showers

    • 54
    • 75

    Chance Rain Showers

    • 54
    • 75

    Mostly Sunny

    • 59
    • 79

    Mostly Cloudy

    • 61
    • 82

    Slight Chance Thunderstorms

Today 19 Jul Cambria

Sunny. Near steady temperature in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 19 Jul Cambria

Mostly clear. Lows in the lower 50s. Northwest Winds 5 to 10 Mph, becoming east after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnstown Temperature Statistics

July Temperature

Johnstown - Cambria County Airport (4.3 miles)

  • Lowest 13 July, 2026

    62.7 °F

  • Average July

    74.5 °F

  • Highest 2 July, 2026

    88.6 °F

Climate (2021–2026)

Johnstown - Cambria County Airport (4.3 miles)

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

  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    58.7 °F
Get WillyWeather+ to remove ads