Johnstown Weather Forecast

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    Rain Showers

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    Rain Showers

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    Rain Showers

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Rain Showers

Today 5 Jul Cambria

Showers with Thunderstorms likely. Very warm with Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 90 percent.

Tonight 5 Jul Cambria

Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. East Winds around 5 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

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Johnstown Temperature Statistics

July Temperature

Johnstown - Cambria County Airport (4.3 miles)

  • Lowest 2 July, 2026

    72.6 °F
  • Average July

    80.7 °F
  • Highest 2 July, 2026

    88.6 °F

Climate (2021–2026)

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

    58.7 °F
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