Grape Mountain Weather Forecast

    • 43
    • 62

    Sunny

    • 48
    • 69

    Mostly Sunny

    • 44
    • 67

    Rain Showers Likely

    • 42
    • 56

    Chance Rain Showers

    • 44
    • 62

    Chance Rain Showers

    • 45
    • 62

    Partly Sunny

Today 1 May Boise Mountains

Sunny. Highs 58 to 72.

Tonight 1 May Boise Mountains

Clear. Lows 29 to 44.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grape Mountain Temperature Statistics

May Temperature

Boise Air Terminal (23.6 miles)

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  • Average May

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Climate (2020–Present)

Boise Air Terminal (23.6 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    65.5 °F
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