Southwest Ada County Alliance Weather Forecast

    • 47
    • 76

    Sunny

    • 51
    • 81

    Sunny

    • 53
    • 84

    Sunny

    • 49
    • 79

    Mostly Sunny

    • 48
    • 76

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

Today 10 May Upper Treasure Valley

Sunny. Highs 72 to 77. Southeast Winds around 10 Mph this Morning, shifting to west this afternoon. Gusts to 20 Mph.

Tonight 10 May Upper Treasure Valley

Mostly clear. Lows 41 to 50. Northwest Winds 10 to 15 Mph.

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Southwest Ada County Alliance Temperature Statistics

May Temperature

Boise Air Terminal (3.1 miles)

  • Lowest 1 May, 2024

    36.6 °F

  • Average May

    50.3 °F

  • Highest 4 May, 2024

    70.6 °F

Climate (2019–Present)

Boise Air Terminal (3.1 miles)

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  • Average Low 2019–2024

    43.4 °F

  • Average 2019–2024

    53.8 °F

  • Average High 2019–2024

    64.9 °F
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