Casper Mountain County Park Weather Forecast

    • 18
    • 25

    Increasing Clouds

    • 14
    • 27

    Mostly Cloudy

    • 14
    • 20

    Partly Sunny

    • 7
    • 26

    Mostly Cloudy

    • 9
    • 14

    Mostly Cloudy

    • 13
    • 21

    Mostly Sunny

Today 19 Jan Casper Mountain

Areas of fog this morning. Mostly sunny. Breezy with Highs in the upper 20s. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 19 Jan Casper Mountain

Partly cloudy in the Evening, then clearing. Breezy, cold with Lows 12 to 20. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casper Mountain County Park Temperature Statistics

January Temperature

Casper, Natrona County International Airport (13.7 miles)

  • Lowest 17 January, 2026

    3.9 °F

  • Average January

    36.4 °F

  • Highest 14 January, 2026

    57 °F

Climate (2021–Present)

Casper, Natrona County International Airport (13.7 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    60.6 °F
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