Benchmark Airport Weather Forecast

    • 37
    • 65

    Rain Showers

    • 37
    • 64

    Rain Showers Likely

    • 39
    • 64

    Rain Showers

    • 36
    • 60

    Rain Showers

    • 35
    • 61

    Partly Sunny

    • 38
    • 67

    Partly Sunny

Today 4 Sep Southern Rocky Mountain Front

Mostly sunny. Chance of rain Showers early in the morning. Slight chance of Thunderstorms late in the afternoon. Highs 55 to 65. Southwest Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 4 Sep Southern Rocky Mountain Front

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows 38 to 44. West Winds up to 10 Mph shifting to the east after midnight. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Benchmark Airport Temperature Statistics

September Temperature

Missoula, Missoula International Airport (69 miles)

  • Lowest 1 September, 2026

    45.6 °F

  • Average September

    61.9 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (69 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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