St Francis Weather Forecast

    • 50
    • 73

    Slight Chance Thunderstorms

    • 55
    • 83

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 57
    • 86

    Mostly Sunny

    • 49
    • 80

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

Today 18 Sep Cheyenne

Mostly cloudy with slight chance of Thunderstorms Early, then partly cloudy this morning. Partly cloudy with slight chance of Thunderstorms this afternoon. Highs in the lower 70s. Northwest Winds 5 to 10 Mph, becoming north this afternoon. Chance of precipitation 20 percent.

Tonight 18 Sep Cheyenne

Clear. Lows around 50. East Winds 5 to 10 Mph, becoming south after midnight.

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St Francis Temperature Statistics

September Temperature

ST FRANCIS (0 miles)

  • Lowest 6 September, 2025

    41 °F

  • Average September

    68.7 °F

  • Highest 11 September, 2025

    96.8 °F

Climate (2020–Present)

ST FRANCIS (0 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    67.2 °F
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