Johnstown Weather Forecast

    • 66
    • 79

    Chance Thunderstorms

    • 68
    • 84

    Rain Showers Likely

    • 60
    • 81

    Rain Showers Likely

    • 57
    • 80

    Mostly Sunny

    • 62
    • 82

    Mostly Sunny

    • 69
    • 87

    Slight Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

Today 18 Jul Cambria

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 70s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 18 Jul Cambria

Mostly cloudy with a 20 percent chance of Showers. Lows in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnstown Temperature Statistics

July Temperature

Johnstown - Cambria County Airport (4.3 miles)

  • Lowest 4 July, 2025

    57.7 °F

  • Average July

    73.1 °F

  • Highest 7 July, 2025

    86.6 °F

Climate (2020–Present)

Johnstown - Cambria County Airport (4.3 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    58.5 °F
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