Johnstown Weather Forecast

    • 27
    • 35

    Decreasing Clouds

    • 37
    • 45

    Rain Showers Likely

    • 24
    • 42

    Rain/Snow

    • 15
    • 28

    Chance Snow

    • 18
    • 27

    Chance Snow Showers

    • 18
    • 32

    Chance Snow Showers

Today 12 Jan Cambria

Mostly cloudy in the Morning, then becoming mostly sunny. Highs in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 12 Jan Cambria

Cloudy. Lows in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnstown Temperature Statistics

January Temperature

Johnstown - Cambria County Airport (4.3 miles)

  • Lowest 1 January, 2026

    8.1 °F

  • Average January

    30.4 °F

  • Highest 9 January, 2026

    57 °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

    50.5 °F

  • Average High 2021–2026

    58.5 °F
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