Bismarck Weather Forecast

    • 56
    • 77

    Rain Showers

    • 52
    • 67

    Slight Chance Thunderstorms

    • 57
    • 72

    Mostly Cloudy

    • 58
    • 74

    Rain Showers

    • 59
    • 81

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

Today 19 May St. Francois

Showers with a chance of Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Gusts up to 30 Mph this morning. Chance of rain 90 percent.

Tonight 19 May St. Francois

Cloudy with a chance of Showers and Thunderstorms. Cooler with Lows in the upper 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bismarck Temperature Statistics

May Temperature

Farmington Airport (9.9 miles)

  • Lowest 7 May, 2026

    35.1 °F

  • Average May

    63.2 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Farmington Airport (9.9 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    67.3 °F
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