Johnstown Weather Forecast

    • 52
    • 83

    Rain Showers

    • 48
    • 67

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 60
    • 76

    Rain Showers

    • 59
    • 81

    Rain Showers

    • 55
    • 74

    Slight Chance Thunderstorms

Today 14 Jun Cambria

Showers likely. A slight chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Some Thunderstorms may be severe with damaging Winds, large Hail, and frequent lightning this afternoon. Very warm with Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 14 Jun Cambria

Showers with a chance of Thunderstorms in the evening. Some Thunderstorms may be severe with damaging Winds, large Hail, and frequent lightning. Lows in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 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, 2026

    49.6 °F

  • Average June

    67.9 °F

  • Highest 11 June, 2026

    85.6 °F

Climate (2021–Present)

Johnstown - Cambria County Airport (4.3 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    58.6 °F
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