Ann Morrison Park Weather Forecast

    • 61
    • 93

    Sunny

    • 61
    • 93

    Mostly Sunny

    • 65
    • 97

    Hot

    • 70
    • 101

    Hot

    • 69
    • 95

    Mostly Cloudy

    • 68
    • 95

    Partly Sunny

    • 67
    • 92

    Slight Chance Thunderstorms

Today 20 Aug Upper Treasure Valley

Sunny. Highs 91 to 96. Breezy. Northwest Winds 10 to 20 Mph with Gusts to 30 Mph.

Tonight 20 Aug Upper Treasure Valley

Mostly clear. Lows 57 to 62. Breezy. Northwest Winds 10 to 20 Mph with Gusts to 30 Mph.

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Ann Morrison Park Temperature Statistics

August Temperature

Boise Air Terminal (3.1 miles)

  • Lowest 8 August, 2025

    51.7 °F

  • Average August

    77.4 °F

  • Highest 12 August, 2025

    102.7 °F

Climate (2020–Present)

Boise Air Terminal (3.1 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.7 °F
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