Fort Benton Airport Weather Forecast

    • 50
    • 76

    Chance Thunderstorms

    • 52
    • 78

    Mostly Sunny

    • 58
    • 90

    Mostly Sunny

    • 57
    • 93

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

    • 58
    • 89

    Partly Sunny

Today 22 Jul Western and Central Chouteau County

Patchy fog in the morning. Mostly cloudy in the Morning, then partly cloudy with a 50 percent chance of Thunderstorms in the afternoon. Highs in the mid 70s. West Winds up to 10 Mph.

Tonight 22 Jul Western and Central Chouteau County

Partly cloudy with a 20 percent chance of Thunderstorms in the Evening, then mostly cloudy after midnight. Lows around 50. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Benton Airport Temperature Statistics

July Temperature

Malmstrom Air Force Base (34.8 miles)

  • Lowest 11 July, 2025

    44.8 °F

  • Average July

    70.9 °F

  • Highest 8 July, 2025

    98.7 °F

Climate (2020–Present)

Malmstrom Air Force Base (34.8 miles)

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  • Average Low 2020–2025

    35.3 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    58.1 °F
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