Marsing Island Park Weather Forecast

    • 69
    • 95

    Increasing Clouds

    • 64
    • 90

    Slight Chance Thunderstorms

    • 64
    • 94

    Mostly Sunny

    • 66
    • 98

    Hot

    • 66
    • 98

    Hot

    • 68
    • 98

    Hot

    • 68
    • 97

    Hot

Today 13 Jul Lower Treasure Valley

Decreasing Clouds. Patchy smoke this morning. Highs 93 to 98. Northwest Winds 10 to 15 Mph. Gusts to 25 Mph this afternoon.

Tonight 13 Jul Lower Treasure Valley

Increasing Clouds. Lows 67 to 72. North Winds 10 to 15 Mph this Evening, becoming light after midnight.

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  • Temperature Real-Time

Marsing Island Park Temperature Statistics

July Temperature

Caldwell - Caldwell Industrial Airport (10.6 miles)

  • Lowest 2 July, 2026

    54 °F

  • Average July

    77.8 °F

  • Highest 11 July, 2026

    102.9 °F

Climate (2021–2026)

Caldwell - Caldwell Industrial Airport (10.6 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    65.2 °F
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