Fort Benton Weather Forecast

    • 48
    • 71

    Mostly Cloudy

    • 49
    • 74

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 52
    • 82

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

Today 19 Sep Western and Central Chouteau County

Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 19 Sep Western and Central Chouteau County

Mostly cloudy. Lows in the upper 40s. South Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Benton Temperature Statistics

September Temperature

Malmstrom Air Force Base (33.6 miles)

  • Lowest 15 September, 2026

    40.3 °F

  • Average September

    60.5 °F

  • Highest 2 September, 2026

    87.7 °F

Climate (2021–2026)

Malmstrom Air Force Base (33.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads