Barnum Lake Weather Forecast

    • 49
    • 76

    Partly Sunny

    • 59
    • 79

    Chance Thunderstorms

    • 60
    • 82

    Slight Chance Thunderstorms

    • 56
    • 76

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

Today 23 Aug North Cass

Sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 23 Aug North Cass

Mostly clear. Patchy fog. Near steady temperature in the lower 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnum Lake Temperature Statistics

August Temperature

Longville, Longville Municipal Airport (5.6 miles)

  • Lowest 5 August, 2026

    44.6 °F

  • Average August

    67.8 °F

  • Highest 1 August, 2026

    82.4 °F

Climate (2021–2026)

Longville, Longville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    51.2 °F
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