Casper Mountain Weather Forecast

    • 40
    • 54

    Mostly Sunny

    • 38
    • 53

    Mostly Sunny

    • 43
    • 54

    Mostly Sunny

    • 43
    • 56

    Mostly Sunny

    • 45
    • 58

    Mostly Sunny

    • 45
    • 60

    Breezy

Today 17 Oct Casper Mountain

Sunny, breezy with Highs in the upper 50s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph.

Tonight 17 Oct Casper Mountain

Clear, breezy with Lows around 40. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph.

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Casper Mountain Temperature Statistics

October Temperature

Casper, Natrona County International Airport (13 miles)

  • Lowest 15 October, 2026

    28.9 °F

  • Average October

    56.7 °F

  • Highest 5 October, 2026

    87.7 °F

Climate (2021–2026)

Casper, Natrona County International Airport (13 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    61.7 °F
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