Parma Weather Forecast

    • 45
    • 70

    Areas Fog

    • 45
    • 75

    Sunny

    • 50
    • 79

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 47
    • 72

    Partly Sunny

    • 45
    • 67

    Partly Sunny

Today 7 Sep Lower Treasure Valley

Areas of fog this morning. Sunny. Highs 67 to 72. West Winds up to 10 Mph.

Tonight 7 Sep Lower Treasure Valley

Mostly clear. Areas of fog. Lows 44 to 49. East Winds up to 10 Mph.

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Parma Temperature Statistics

September Temperature

Ontario Municipal Airport (16.2 miles)

  • Lowest 5 September, 2026

    42.1 °F

  • Average September

    61.1 °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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