Fort Benton Weather Forecast

    • 41
    • 65

    Mostly Cloudy

    • 46
    • 72

    Increasing Clouds

    • 56
    • 80

    Mostly Cloudy

    • 51
    • 85

    Rain Showers Likely

    • 47
    • 71

    Chance Rain Showers

    • 49
    • 75

    Partly Sunny

    • 50
    • 79

    Slight Chance Thunderstorms

Today 13 Jun Western and Central Chouteau County

Partly sunny. Near steady temperature in the lower 60s. Northwest Winds 5 to 15 Mph.

Tonight 13 Jun Western and Central Chouteau County

Mostly cloudy until early morning then becoming partly cloudy. Lows in the lower 40s. North Winds up to 10 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Benton Temperature Statistics

June Temperature

Malmstrom Air Force Base (33.6 miles)

  • Lowest 1 June, 2026

    41.6 °F

  • Average June

    57.2 °F

  • Highest 5 June, 2026

    80.7 °F

Climate (2021–Present)

Malmstrom Air Force Base (33.6 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.1 °F
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