Garden Valley Weather Forecast

    • 47
    • 85

    Chance Thunderstorms

    • 46
    • 87

    Sunny

    • 48
    • 92

    Sunny

    • 53
    • 99

    Hot

    • 53
    • 101

    Hot

    • 52
    • 97

    Sunny

Today 20 Jun Boise Mountains

Rain Showers likely this morning. Rain Showers likely with a chance of Thunderstorms this afternoon. Thunderstorms may produce gusty Winds this afternoon. Chance of rain 60 percent. Not as warm with Highs 67 to 82.

Tonight 20 Jun Boise Mountains

Mostly cloudy with a chance of rain Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Chance of rain 30 percent. Cooler with Lows 39 to 54.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Garden Valley Temperature Statistics

June Temperature

Boise Air Terminal (38.5 miles)

  • Lowest 11 June, 2026

    44.7 °F

  • Average June

    68.1 °F

  • Highest 16 June, 2026

    95.6 °F

Climate (2021–2026)

Boise Air Terminal (38.5 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    66.3 °F
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