Fort Benton Airport Weather Forecast

    • 46
    • 71

    Chance Rain Showers

    • 44
    • 71

    Chance Rain Showers

    • 50
    • 77

    Chance Rain Showers

    • 43
    • 69

    Chance Rain Showers

    • 52
    • 82

    Partly Sunny

    • 47
    • 78

    Partly Sunny

    • 48
    • 76

    Partly Sunny

Today 6 May Western and Central Chouteau County

Warmer, sunny. Highs in the upper 60s. West Winds 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 6 May Western and Central Chouteau County

Not as cool. Mostly cloudy. Slight chance of rain Showers early in the Evening, then chance of rain Showers after midnight. Lows in the mid 40s. South Winds 5 to 10 Mph shifting to the southwest with Gusts to around 30 Mph after midnight. Chance of Showers 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Benton Airport Temperature Statistics

May Temperature

Malmstrom Air Force Base (34.8 miles)

  • Lowest 4 May, 2026

    36 °F

  • Average May

    56 °F

  • Highest 3 May, 2026

    76.6 °F

Climate (2021–Present)

Malmstrom Air Force Base (34.8 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    58.9 °F
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