Bismarck Weather Forecast

    • 51
    • 80

    Partly Sunny

    • 56
    • 85

    Mostly Sunny

    • 57
    • 89

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

    • 62
    • 90

    Slight Chance Thunderstorms

    • 61
    • 91

    Slight Chance Thunderstorms

Today 9 Sep Vermilion

Mostly sunny. Highs around 80. South Winds around 5 Mph.

Tonight 9 Sep Vermilion

Partly cloudy. Lows in the lower 50s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Bismarck Temperature Statistics

September Temperature

Danville, Vermilion County Airport (4.3 miles)

  • Lowest 6 September, 2025

    44.1 °F

  • Average September

    63 °F

  • Highest 2 September, 2025

    82.8 °F

Climate (2020–Present)

Danville, Vermilion County Airport (4.3 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    63.7 °F
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