Weiser Municipal Airport Weather Forecast

    • 61
    • 94

    Sunny

    • 61
    • 94

    Sunny

    • 64
    • 99

    Hot

    • 70
    • 100

    Hot

    • 67
    • 95

    Hot

    • 67
    • 96

    Partly Sunny

Today 20 Aug Lower Treasure Valley

Patchy smoke this morning. Sunny. Highs 90 to 95. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 20 Aug Lower Treasure Valley

Mostly clear. Lows 59 to 64. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

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Weiser Municipal Airport Temperature Statistics

August Temperature

Ontario Municipal Airport (13 miles)

  • Lowest 5 August, 2025

    52.6 °F

  • Average August

    77 °F

  • Highest 12 August, 2025

    101.6 °F

Climate (2020–Present)

Ontario Municipal Airport (13 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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