Bismarck Weather Forecast

    • 62
    • 91

    Sunny

    • 63
    • 93

    Increasing Clouds

    • 61
    • 86

    Chance Thunderstorms

    • 61
    • 84

    Chance Thunderstorms

    • 62
    • 84

    Chance Thunderstorms

    • 62
    • 82

    Chance Thunderstorms

    • 59
    • 84

    Chance Thunderstorms

Today 17 Sep St. Francois

Sunny. Near steady temperature in the lower 90s. Northeast Winds around 5 Mph.

Tonight 17 Sep St. Francois

Clear. Lows in the lower 60s. Northeast Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bismarck Temperature Statistics

September Temperature

Farmington Airport (9.9 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    74.9 °F

  • Highest 14 September, 2025

    96.8 °F

Climate (2020–Present)

Farmington Airport (9.9 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    66.6 °F
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