Barnum Lake Weather Forecast

    • 28
    • 50

    Mostly Sunny

    • 43
    • 60

    Partly Sunny

    • 39
    • 60

    Slight Chance Rain Showers

    • 43
    • 65

    Partly Sunny

    • 52
    • 70

    Chance Rain Showers

    • 51
    • 78

    Partly Sunny

Today 10 May North Cass

Mostly sunny. Highs in the lower 50s. Northwest Winds 5 to 10 Mph.

Tonight 10 May North Cass

Mostly clear. Cold with Lows in the upper 20s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Barnum Lake Temperature Statistics

May Temperature

Longville, Longville Municipal Airport (5.6 miles)

  • Lowest 1 May, 2026

    24.8 °F

  • Average May

    44.3 °F

  • Highest 2 May, 2026

    64.4 °F

Climate (2021–Present)

Longville, Longville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    31.4 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    51.5 °F
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