Johnstown Weather Forecast

    • 62
    • 84

    Partly Sunny

    • 61
    • 88

    Chance Thunderstorms

    • 61
    • 89

    Chance Thunderstorms

    • 60
    • 87

    Chance Thunderstorms

    • 63
    • 88

    Mostly Sunny

    • 64
    • 90

    Mostly Sunny

Today 1 Jul Brown

Sunny. Highs in the upper 80s. Southwest Winds up to 10 Mph.

Tonight 1 Jul Brown

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds up to 10 Mph in the Evening, becoming light and variable.

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Johnstown Temperature Statistics

July Temperature

Ainsworth Regional Airport (2.5 miles)

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  • Average July

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Climate (2021–2026)

Ainsworth Regional Airport (2.5 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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