Barnum Lake Weather Forecast

    • 23
    • 36

    Areas Freezing Fog

    • 14
    • 34

    Mostly Cloudy

    • 14
    • 29

    Mostly Cloudy

    • 6
    • 19

    Mostly Cloudy

    • 14
    • 22

    Mostly Cloudy

    • 22
    • 34

    Mostly Cloudy

Today 7 Jan North Cass

Mostly sunny. Not as cool with Highs in the mid 30s. South Winds around 5 Mph.

Tonight 7 Jan North Cass

Mostly cloudy. Patchy fog in the Evening, then Areas of fog and freezing fog after midnight. Lows in the lower 20s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnum Lake Temperature Statistics

January Temperature

Longville, Longville Municipal Airport (5.6 miles)

  • Lowest 2 January, 2026

    -7.6 °F

  • Average January

    9.8 °F

  • Highest 5 January, 2026

    26.6 °F

Climate (2021–Present)

Longville, Longville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    51.6 °F
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