Johnstown Weather Forecast

    • 70
    • 86

    Rain Showers Likely

    • 65
    • 79

    Thunderstorms Likely

    • 62
    • 83

    Partly Sunny

    • 59
    • 83

    Chance Thunderstorms

    • 62
    • 83

    Partly Sunny

    • 67
    • 87

    Partly Sunny

    • 70
    • 89

    Chance Rain Showers

Today 30 Jun Cambria

Showers likely with Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Very warm with Highs in the lower 80s. South Winds around 5 Mph. Chance of rain 90 percent.

Tonight 30 Jun Cambria

Mostly cloudy. Showers with a chance of Thunderstorms late this Evening, then a chance of Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall late this evening. Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnstown Temperature Statistics

June Temperature

Johnstown - Cambria County Airport (4.3 miles)

  • Lowest 2 June, 2025

    40.6 °F

  • Average June

    69.4 °F

  • Highest 23 June, 2025

    89.7 °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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