Casper Mountain Weather Forecast

    • 54
    • 69

    Slight Chance Thunderstorms

    • 56
    • 71

    Partly Sunny

    • 61
    • 75

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 58
    • 72

    Slight Chance Thunderstorms

    • 53
    • 69

    Slight Chance Thunderstorms

Today 25 Aug Casper Mountain

Partly cloudy. Highs in the mid 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 25 Aug Casper Mountain

Mostly cloudy. Lows in the mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casper Mountain Temperature Statistics

August Temperature

Casper, Natrona County International Airport (13 miles)

  • Lowest 5 August, 2026

    44.7 °F

  • Average August

    72.1 °F

  • Highest 2 August, 2026

    103.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (13 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.6 °F
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