Marsing Island Park Weather Forecast

    • 53
    • 79

    Decreasing Clouds

    • 47
    • 74

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

Today 29 May Lower Treasure Valley

Mostly sunny. Highs 76 to 81. West Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 29 May Lower Treasure Valley

Partly cloudy. Lows 50 to 55. Breezy. West Winds 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marsing Island Park Temperature Statistics

May Temperature

Caldwell - Caldwell Industrial Airport (10.6 miles)

  • Lowest 17 May, 2026

    41 °F

  • Average May

    63.3 °F

  • Highest 12 May, 2026

    93 °F

Climate (2021–Present)

Caldwell - Caldwell Industrial Airport (10.6 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.5 °F
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