Spillway Lake Weather Forecast

    • 33
    • 58

    Becoming Sunny

    • 33
    • 53

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

    • 33
    • 54

    Mostly Sunny

    • 31
    • 52

    Mostly Sunny

Today 21 Mar Yosemite NP outside of the valley

Mostly sunny. Highs 61 to 75. South Winds up to 10 Mph shifting to the west with Gusts to around 30 Mph in the afternoon.

Tonight 21 Mar Yosemite NP outside of the valley

Partly cloudy in the evening then clearing. Lows 34 to 50. North Winds up to 10 Mph with Gusts to around 25 Mph shifting to the northeast after midnight.

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Spillway Lake Temperature Statistics

March Temperature

Mammoth Yosemite Airport (26.1 miles)

  • Lowest 4 March, 2026

    19.4 °F

  • Average March

    42.7 °F

  • Highest 19 March, 2026

    78.8 °F

Climate (2021–Present)

Mammoth Yosemite Airport (26.1 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.7 °F
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