Yosemite National Park Weather Forecast

    • 50
    • 75

    Smoke

    • 47
    • 71

    Chance Rain

    • 48
    • 73

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 47
    • 74

    Partly Sunny

Today 20 Sep Yosemite NP outside of the valley

Partly sunny. Patchy smoke. Highs 59 to 73. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 20 Sep Yosemite NP outside of the valley

Mostly cloudy. Areas of smoke. Lows 39 to 53. East Winds up to 5 Mph.

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  • Temperature Real-Time

Yosemite National Park Temperature Statistics

September Temperature

Mammoth Yosemite Airport (37.3 miles)

  • Lowest 18 September, 2026

    28.4 °F

  • Average September

    59.1 °F

  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Mammoth Yosemite Airport (37.3 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.5 °F
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