Boise Air Terminal (Gowen Field) Weather Forecast

    • 61
    • 92

    Mostly Sunny

    • 64
    • 96

    Mostly Sunny

    • 69
    • 99

    Hot

    • 67
    • 95

    Slight Chance Thunderstorms

    • 67
    • 93

    Partly Sunny

    • 65
    • 91

    Slight Chance Thunderstorms

Today 21 Aug Upper Treasure Valley

Sunny. Highs 90 to 95. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 21 Aug Upper Treasure Valley

Partly cloudy. Lows 56 to 61. Northwest Winds 10 to 15 Mph.

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Boise Air Terminal (Gowen Field) Temperature Statistics

August Temperature

Boise Air Terminal (0.6 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 (0.6 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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