O'Brien Lake Weather Forecast

    • 47
    • 75

    Mostly Sunny

    • 43
    • 74

    Mostly Sunny

    • 41
    • 68

    Partly Sunny

    • 39
    • 65

    Mostly Cloudy

    • 48
    • 67

    Mostly Cloudy

    • 43
    • 71

    Mostly Cloudy

Today 5 Oct Burleigh

Sunny. Highs in the mid 70s. Southeast Winds 10 to 15 Mph.

Tonight 5 Oct Burleigh

Mostly clear. Lows in the upper 40s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight.

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O'Brien Lake Temperature Statistics

October Temperature

Bismarck, Bismarck Municipal Airport (37.3 miles)

  • Lowest 2 October, 2026

    35.1 °F

  • Average October

    51.6 °F

  • Highest 3 October, 2026

    70 °F

Climate (2021–2026)

Bismarck, Bismarck Municipal Airport (37.3 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    56.8 °F
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