Billings Weather Forecast

    • 57
    • 78

    Partly Sunny

    • 53
    • 78

    Slight Chance Rain Showers

    • 55
    • 81

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 49
    • 65

    Partly Sunny

Today 22 Sep Southwestern Yellowstone

Mostly sunny. Highs in the mid 60s.

Tonight 22 Sep Southwestern Yellowstone

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms overnight. Chance of rain Showers after 3 am. Lows in the mid 50s. East Winds 5 to 10 Mph in the evening shifting to the west 5 to 15 Mph overnight. Chance of precipitation 50 percent.

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Billings Temperature Statistics

September Temperature

Billings, Billings Logan International Airport (2.5 miles)

  • Lowest 15 September, 2026

    43.6 °F

  • Average September

    64.5 °F

  • Highest 4 September, 2026

    92.6 °F

Climate (2021–2026)

Billings, Billings Logan International Airport (2.5 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61.2 °F
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