Old Mammoth Weather Forecast

    • 54
    • 73

    Chance Rain Showers

    • 50
    • 65

    Rain Showers Likely

    • 46
    • 67

    Slight Chance Rain Showers

    • 45
    • 68

    Mostly Sunny

    • 43
    • 66

    Mostly Sunny

    • 44
    • 63

    Mostly Sunny

Today 27 Aug Mono

Sunny in the Morning, then mostly cloudy with a slight chance of Showers in the afternoon. Highs 75 to 85. Light Winds becoming southwest 10 to 15 Mph in the afternoon.

Tonight 27 Aug Mono

Mostly cloudy with a chance of Showers. Lows 45 to 55. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old Mammoth Temperature Statistics

August Temperature

Mammoth Yosemite Airport (7.5 miles)

  • Lowest 14 August, 2026

    35.6 °F

  • Average August

    68.5 °F

  • Highest 1 August, 2026

    91.4 °F

Climate (2021–2026)

Mammoth Yosemite Airport (7.5 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.6 °F
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