Northwest Boise City Weather Forecast

    • 33
    • 47

    Decreasing Clouds

    • 33
    • 46

    Mostly Cloudy

    • 30
    • 48

    Mostly Cloudy

    • 29
    • 47

    Partly Sunny

    • 30
    • 48

    Partly Sunny

    • 30
    • 49

    Partly Sunny

Today 30 Jan Upper Treasure Valley

Patchy dense fog in the morning. Mostly cloudy. Highs 46 to 51. Southeast Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 30 Jan Upper Treasure Valley

Mostly cloudy. Areas of fog after midnight. Lows 27 to 32. Light Winds.

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Northwest Boise City Temperature Statistics

January Temperature

Boise Air Terminal (8.1 miles)

  • Lowest 24 January, 2026

    15.7 °F

  • Average January

    33.7 °F

  • Highest 3 January, 2026

    59.6 °F

Climate (2021–Present)

Boise Air Terminal (8.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    66 °F
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