Boise Weather Forecast

    • 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 18 May Upper Treasure Valley

Sunny. Highs 71 to 76. East Winds up to 10 Mph.

Tonight 18 May Upper Treasure Valley

Partly cloudy. Lows 40 to 45. Windy. North Winds around 10 Mph with Gusts to 20 Mph in the Evening, increasing to northwest 15 to 25 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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