Benchmark Airport Weather Forecast

    • 32
    • 57

    Mostly Cloudy

    • 36
    • 64

    Partly Sunny

    • 41
    • 70

    Partly Sunny

    • 41
    • 71

    Partly Sunny

    • 42
    • 72

    Chance Rain

    • 40
    • 65

    Rain Showers Likely

Today 21 May Southern Rocky Mountain Front

Partly sunny. Patchy fog early in the morning. Slight chance of rain Showers and snow Showers early in the afternoon. Slight chance of rain Showers late in the afternoon. Highs 43 to 53. North Winds up to 10 Mph with Gusts to around 25 Mph. Chance of precipitation 20 percent.

Tonight 21 May Southern Rocky Mountain Front

Partly cloudy in the evening then becoming mostly cloudy. Lows 28 to 34. West Winds up to 5 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Benchmark Airport Temperature Statistics

May Temperature

Missoula, Missoula International Airport (69 miles)

  • Lowest 18 May, 2026

    27 °F

  • Average May

    54.1 °F

  • Highest 12 May, 2026

    82.7 °F

Climate (2021–Present)

Missoula, Missoula International Airport (69 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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