Marsing Island Park Weather Forecast

    • 57
    • 89

    Increasing Clouds

    • 57
    • 87

    Slight Chance Thunderstorms

    • 54
    • 78

    Mostly Cloudy

    • 47
    • 77

    Mostly Cloudy

    • 49
    • 79

    Partly Sunny

    • 53
    • 80

    Partly Sunny

Today 31 Aug Lower Treasure Valley

Patchy smoke this morning. Sunny, warmer with Highs 85 to 90. Southeast Winds up to 10 Mph with Gusts to 20 Mph.

Tonight 31 Aug Lower Treasure Valley

Increasing Clouds. Lows 55 to 60. East Winds up to 10 Mph.

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  • Temperature Real-Time

Marsing Island Park Temperature Statistics

August Temperature

Caldwell - Caldwell Industrial Airport (10.6 miles)

  • Lowest 5 August, 2026

    51.1 °F

  • Average August

    78.2 °F

  • Highest 1 August, 2026

    100.9 °F

Climate (2021–2026)

Caldwell - Caldwell Industrial Airport (10.6 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    65.4 °F
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