Big Horn Weather Forecast

    • 47
    • 72

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 47
    • 80

    Chance Rain Showers

    • 45
    • 69

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

Today 18 Sep Sheridan Foothills

Sunny, warmer. Areas of fog early in the morning. Highs in the lower 70s. Light and variable Winds in the morning becoming northeast 5 to 10 Mph in the afternoon.

Tonight 18 Sep Sheridan Foothills

Mostly clear. A 20 percent chance of rain Showers early in the evening. Patchy fog after 3 am. Lows in the lower 40s. Southeast Winds 5 to 10 Mph in the evening shifting to the west overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Horn Temperature Statistics

September Temperature

Sheridan County Airport (5 miles)

  • Lowest 6 September, 2025

    30.9 °F

  • Average September

    62.5 °F

  • Highest 1 September, 2025

    89.1 °F

Climate (2020–Present)

Sheridan County Airport (5 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    61.4 °F
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