Bismarck Weather Forecast

    • 67
    • 88

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

    • 64
    • 81

    Chance Rain Showers

    • 66
    • 84

    Slight Chance Rain Showers

    • 65
    • 86

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

Today 21 Aug St. Francois

Sunny. Near steady temperature in the mid 80s. Light and variable Winds.

Tonight 21 Aug St. Francois

Mostly clear. Lows in the upper 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bismarck Temperature Statistics

August Temperature

Farmington Airport (9.9 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    78.3 °F

  • Highest 16 August, 2026

    96.1 °F

Climate (2021–2026)

Farmington Airport (9.9 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    67.4 °F
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