Parma Airport Weather Forecast

    • 43
    • 65

    Slight Chance Thunderstorms

    • 48
    • 72

    Partly Sunny

    • 48
    • 73

    Rain Showers Likely

    • 43
    • 68

    Slight Chance Rain Showers

    • 47
    • 73

    Areas Fog

    • 51
    • 76

    Areas Fog

    • 52
    • 80

    Partly Sunny

Today 4 Sep Lower Treasure Valley

Mostly sunny. Areas of fog. A chance of rain Showers with a slight chance of Thunderstorms this afternoon. Thunderstorms may produce heavy rainfall this afternoon. Chance of rain 30 percent. Highs 63 to 68. Light Winds.

Tonight 4 Sep Lower Treasure Valley

Partly cloudy with scattered Showers. Areas of fog. Chance of rain 30 percent. Lows 43 to 48. Light Winds.

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Parma Airport Temperature Statistics

September Temperature

Ontario Municipal Airport (16.2 miles)

  • Lowest 1 September, 2026

    50.6 °F

  • Average September

    67.2 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Ontario Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    67.1 °F
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