Downtown (Boise) Weather Forecast

    • 21
    • 43

    Patchy Fog

    • 21
    • 43

    Partly Sunny

    • 21
    • 43

    Patchy Fog

    • 31
    • 43

    Mostly Cloudy

    • 31
    • 44

    Chance Rain

    • 26
    • 45

    Partly Sunny

Today 3 Dec Upper Treasure Valley

Sunny. Areas of dense fog. Highs 35 to 45. Light Winds.

Tonight 3 Dec Upper Treasure Valley

Increasing Clouds. Areas of dense fog. Lows 15 to 24. Light Winds.

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Downtown (Boise) Temperature Statistics

December Temperature

Boise Air Terminal (3.7 miles)

  • Lowest 1 December, 2024

    21.9 °F

  • Average December

    29.2 °F

  • Highest 1 December, 2024

    39.9 °F

Climate (2019–Present)

Boise Air Terminal (3.7 miles)

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  • Average Low 2019–2024

    43.8 °F

  • Average 2019–2024

    54.4 °F

  • Average High 2019–2024

    65.5 °F
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