Billings Logan International Airport Weather Forecast

    • 49
    • 77

    Increasing Clouds

    • 52
    • 77

    Partly Sunny

    • 55
    • 84

    Mostly Sunny

    • 52
    • 84

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

Today 18 Sep Southwestern Yellowstone

Sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph in the morning shifting to the southeast in the afternoon.

Tonight 18 Sep Southwestern Yellowstone

Partly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Billings Logan International Airport Temperature Statistics

September Temperature

Billings, Billings Logan International Airport (0 miles)

  • Lowest 6 September, 2025

    44.1 °F

  • Average September

    66.9 °F

  • Highest 2 September, 2025

    91 °F

Climate (2020–Present)

Billings, Billings Logan International Airport (0 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.5 °F
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