Casper Mountain Weather Forecast

    • 9
    • 20

    Increasing Clouds

    • 0
    • 13

    Chance Snow Showers

    • -3
    • 3

    Chance Snow Showers

    • 1
    • 11

    Partly Sunny

    • 9
    • 13

    Partly Sunny

    • 16
    • 25

    Partly Sunny

Today 21 Jan Casper Mountain

Mostly sunny. Highs in the mid 20s. West Winds 10 to 15 Mph. Gusts up to 30 Mph this morning.

Tonight 21 Jan Casper Mountain

Mostly cloudy. Cold with Lows 8 to 14 above.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Casper Mountain Temperature Statistics

January Temperature

Casper, Natrona County International Airport (13 miles)

  • Lowest 17 January, 2026

    3.9 °F

  • Average January

    35.6 °F

  • Highest 14 January, 2026

    57 °F

Climate (2021–Present)

Casper, Natrona County International Airport (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    60.7 °F
Get WillyWeather+ to remove ads