Boise Weather Forecast

    • 41
    • 70

    Sunny

    • 44
    • 73

    Increasing Clouds

    • 40
    • 64

    Mostly Sunny

    • 44
    • 69

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

    • 44
    • 67

    Chance Rain Showers

    • 46
    • 67

    Partly Sunny

Today 17 May Upper Treasure Valley

Sunny. Much cooler with Highs 67 to 72. Windy. Northwest Winds 20 to 30 Mph with Gusts to 40 Mph.

Tonight 17 May Upper Treasure Valley

Mostly clear. Colder with Lows 35 to 41. Windy. Northwest Winds 15 to 25 Mph with Gusts to 35 Mph this Evening, decreasing to around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boise Temperature Statistics

May Temperature

Boise Air Terminal (3.1 miles)

  • Lowest 1 May, 2024

    36.6 °F

  • Average May

    57 °F

  • Highest 12 May, 2024

    84.7 °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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