Garden Valley Weather Forecast

    • 41
    • 46

    Rain

    • 36
    • 54

    Rain Likely

    • 40
    • 52

    Mostly Cloudy

    • 30
    • 55

    Patchy Fog

    • 31
    • 54

    Partly Sunny

    • 32
    • 50

    Chance Rain

Today 9 Dec Boise Mountains

Rain. Areas of fog. Chance of rain near 100 percent. Highs 35 to 49.

Tonight 9 Dec Boise Mountains

Rain. Areas of fog. Chance of rain near 100 percent. Lows 30 to 44. Temperature rising into the lower 40s after midnight.

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Garden Valley Temperature Statistics

December Temperature

Boise Air Terminal (38.5 miles)

  • Lowest 1 December, 2025

    21 °F

  • Average December

    36.4 °F

  • Highest 6 December, 2025

    51.1 °F

Climate (2020–Present)

Boise Air Terminal (38.5 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    65.9 °F
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