Marsing Island Park Weather Forecast

    • 25
    • 42

    Increasing Clouds

    • 24
    • 41

    Mostly Cloudy

    • 24
    • 40

    Partly Sunny

    • 27
    • 40

    Mostly Cloudy

    • 27
    • 45

    Partly Sunny

    • 28
    • 45

    Mostly Sunny

    • 27
    • 47

    Mostly Sunny

Today 9 Jan Lower Treasure Valley

Patchy fog this morning. Mostly sunny. Highs 38 to 43. Light Winds.

Tonight 9 Jan Lower Treasure Valley

Mostly clear. Patchy fog. Lows 23 to 28. Light Winds.

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  • Temperature Real-Time

Marsing Island Park Temperature Statistics

January Temperature

Caldwell - Caldwell Industrial Airport (10.6 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    41.2 °F

  • Highest 3 January, 2026

    57.9 °F

Climate (2021–Present)

Caldwell - Caldwell Industrial Airport (10.6 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    65.3 °F
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