Casper Mountain Weather Forecast

    • 45
    • 60

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 45
    • 73

    Partly Sunny

    • 41
    • 64

    Slight Chance Rain Showers

Today 24 Sep Casper Mountain

Mostly sunny. Highs 60 to 66. Northwest Winds around 15 Mph in the afternoon.

Tonight 24 Sep Casper Mountain

Mostly clear. Lows 40 to 46.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casper Mountain Temperature Statistics

September Temperature

Casper, Natrona County International Airport (13 miles)

  • Lowest 17 September, 2021

    32 °F
  • Average September

    64.3 °F
  • Highest 10 September, 2021

    95 °F

Climate (2010–Present)

Casper, Natrona County International Airport (13 miles)

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  • Average Low 2010–Present

    33.1 °F
  • Average 2010–Present

    46.5 °F
  • Average High 2010–Present

    59.7 °F
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