Billings Weather Forecast

    • 56
    • 76

    Rain Showers Likely

    • 54
    • 71

    Rain Showers Likely

    • 52
    • 77

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 51
    • 77

    Partly Sunny

    • 53
    • 78

    Partly Sunny

Today 15 Sep Southwestern Yellowstone

Mostly sunny. Chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. West Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 15 Sep Southwestern Yellowstone

Chance of Thunderstorms early in the evening. Rain Showers likely through the night. Slight chance of Thunderstorms late in the evening. Lows in the mid 50s. West Winds 5 to 15 Mph. Chance of precipitation 70 percent.

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Billings Temperature Statistics

September Temperature

Billings, Billings Logan International Airport (2.5 miles)

  • Lowest 6 September, 2025

    44.1 °F

  • Average September

    68 °F

  • Highest 2 September, 2025

    91 °F

Climate (2020–Present)

Billings, Billings Logan International Airport (2.5 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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