Bismarck Weather Forecast

    • 76
    • 94

    Sunny

    • 75
    • 99

    Hot

    • 71
    • 98

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 72
    • 90

    Partly Sunny

    • 69
    • 94

    Chance Rain Showers

    • 66
    • 87

    Slight Chance Thunderstorms

Today 14 Aug St. Francois

Sunny, hot. Near steady temperature in the mid 90s. South Winds around 5 Mph. Heat index Values up to 107.

Tonight 14 Aug St. Francois

Clear. Lows in the mid 70s. South Winds around 5 Mph. Heat index Values up to 102 early this evening.

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  • Temperature Forecast NOAA

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Bismarck Temperature Statistics

August Temperature

Farmington Airport (9.9 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    77 °F

  • Highest 12 August, 2026

    95 °F

Climate (2021–2026)

Farmington Airport (9.9 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    67.3 °F
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