Natrona Weather Forecast

    • 46
    • 73

    Mostly Cloudy

    • 46
    • 74

    Decreasing Clouds

    • 42
    • 75

    Chance Rain Showers

    • 41
    • 68

    Chance Rain Showers

    • 41
    • 72

    Mostly Sunny

    • 43
    • 77

    Mostly Sunny

    • 46
    • 78

    Partly Sunny

Today 13 Sep Natrona County Lower Elevations

Partly cloudy. Near steady temperature in the lower 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 13 Sep Natrona County Lower Elevations

Mostly cloudy. Lows around 50. West Winds around 10 Mph.

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Natrona Temperature Statistics

September Temperature

Casper, Natrona County International Airport (19.3 miles)

  • Lowest 6 September, 2025

    37.9 °F

  • Average September

    66.8 °F

  • Highest 10 September, 2025

    90 °F

Climate (2020–Present)

Casper, Natrona County International Airport (19.3 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    60.3 °F
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