Casper Mountain County Park Weather Forecast

    • 29
    • 36

    Slight Chance Snow Showers

    • 32
    • 45

    Mostly Sunny

    • 36
    • 49

    Partly Sunny

    • 34
    • 46

    Partly Sunny

    • 39
    • 47

    Partly Sunny

    • 36
    • 50

    Mostly Cloudy

Today 20 Oct Casper Mountain

Partly cloudy in the Morning, then clearing. Windy, cooler with Highs in the lower 40s. West Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 20 Oct Casper Mountain

Mostly cloudy with scattered rain Showers, snow Showers with isolated Thunderstorms. Breezy with Lows around 30. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 40 percent.

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Casper Mountain County Park Temperature Statistics

October Temperature

Casper, Natrona County International Airport (13.7 miles)

  • Lowest 13 October, 2025

    24.1 °F

  • Average October

    51.8 °F

  • Highest 3 October, 2025

    82.9 °F

Climate (2020–Present)

Casper, Natrona County International Airport (13.7 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    60.2 °F
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