Cheyenne Weather Forecast

    • 50
    • 69

    Slight Chance Thunderstorms

    • 48
    • 78

    Slight Chance Thunderstorms

    • 46
    • 70

    Rain Showers Likely

    • 45
    • 64

    Rain Showers Likely

    • 44
    • 72

    Slight Chance Thunderstorms

    • 47
    • 72

    Mostly Sunny

    • 50
    • 73

    Slight Chance Thunderstorms

Today 14 Sep Central Laramie County

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Sep Central Laramie County

Mostly clear. Near steady temperature in the lower 50s. Southwest Winds 10 to 15 Mph.

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Cheyenne Temperature Statistics

September Temperature

Cheyenne, Cheyenne Airport (1.2 miles)

  • Lowest 6 September, 2025

    39.9 °F

  • Average September

    63.9 °F

  • Highest 10 September, 2025

    84.9 °F

Climate (2020–Present)

Cheyenne, Cheyenne Airport (1.2 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    60.7 °F
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