Whitney Portal Weather Forecast

    • 60
    • 81

    Mostly Sunny

    • 60
    • 79

    Rain Showers

    • 56
    • 75

    Rain Showers

    • 52
    • 75

    Isolated Thunderstorms

    • 50
    • 74

    Sunny

    • 48
    • 72

    Mostly Sunny

    • 50
    • 70

    Partly Sunny

Today 26 Aug Eastern Sierra Slopes of Inyo County

Sunny. Highs 73 to 83. South Winds 5 to 15 Mph.

Tonight 26 Aug Eastern Sierra Slopes of Inyo County

Mostly clear. Lows 53 to 63. West Winds 5 to 15 Mph.

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Whitney Portal Temperature Statistics

August Temperature

Bishop, Bishop Airport (54.1 miles)

  • Lowest 14 August, 2026

    46.7 °F

  • Average August

    79.5 °F

  • Highest 2 August, 2026

    107.7 °F

Climate (2021–2026)

Bishop, Bishop Airport (54.1 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    76.7 °F
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