Weiser Municipal Airport Weather Forecast

    • 42
    • 75

    Mostly Sunny

    • 45
    • 75

    Rain Showers

    • 39
    • 55

    Rain Showers

    • 35
    • 58

    Partly Sunny

    • 36
    • 62

    Mostly Sunny

    • 37
    • 61

    Partly Sunny

Today 20 Apr Lower Treasure Valley

Sunny. Highs 75 to 80. Southeast Winds around 10 Mph with Gusts to 20 Mph.

Tonight 20 Apr Lower Treasure Valley

Partly cloudy in the Evening, then clearing. Lows 43 to 48. North Winds around 10 Mph in the Evening, shifting to southeast after midnight. Gusts to 20 Mph.

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Weiser Municipal Airport Temperature Statistics

April Temperature

Ontario Municipal Airport (13 miles)

  • Lowest 17 April, 2026

    27.6 °F

  • Average April

    50.4 °F

  • Highest 6 April, 2026

    76.6 °F

Climate (2021–Present)

Ontario Municipal Airport (13 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    67.2 °F
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