Loomis Airport Weather Forecast

    • 42
    • 73

    Partly Sunny

    • 51
    • 63

    Mostly Cloudy

    • 48
    • 67

    Mostly Cloudy

    • 45
    • 70

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

Today 25 Sep Boise Mountains

Areas of fog in the morning. Mostly sunny. Highs 54 to 68.

Tonight 25 Sep Boise Mountains

Decreasing Clouds. Much Colder with Lows 29 to 44.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loomis Airport Temperature Statistics

September Temperature

Boise Air Terminal (19.9 miles)

  • Lowest 3 September, 2026

    46.7 °F

  • Average September

    66.7 °F

  • Highest 12 September, 2026

    90.6 °F

Climate (2021–2026)

Boise Air Terminal (19.9 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.3 °F
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