Royce Lakes Weather Forecast

    • 23
    • 36

    Increasing Clouds

    • 24
    • 38

    Mostly Cloudy

    • 17
    • 31

    Chance Snow Showers

    • 17
    • 30

    Slight Chance Thunderstorms

    • 24
    • 39

    Sunny

    • 27
    • 43

    Mostly Sunny

Today 15 May Upper San Joaquin River

Not as cool. Sunny. Highs 42 to 60. Southwest Winds up to 15 Mph. Gusts up to 25 Mph increasing to 35 Mph in the afternoon.

Tonight 15 May Upper San Joaquin River

Partly cloudy in the evening then becoming mostly cloudy. Lows 29 to 41. Southwest Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Royce Lakes Temperature Statistics

May Temperature

Mammoth Yosemite Airport (20.5 miles)

  • Lowest 7 May, 2025

    23 °F

  • Average May

    49.6 °F

  • Highest 9 May, 2025

    73.4 °F

Climate (2020–Present)

Mammoth Yosemite Airport (20.5 miles)

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  • Average Low 2020–2025

    29.8 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    61.2 °F
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