Valentine Lake Weather Forecast

    • 35
    • 59

    Sunny

    • 40
    • 63

    Mostly Sunny

    • 40
    • 62

    Partly Sunny

    • 38
    • 61

    Mostly Sunny

    • 36
    • 57

    Mostly Sunny

    • 36
    • 56

    Mostly Sunny

Today 30 Sep Mono

Sunny. Highs 69 to 79. Light Winds.

Tonight 30 Sep Mono

Clear. Lows 33 to 43. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Valentine Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (5.6 miles)

  • Lowest 18 September, 2026

    28.4 °F

  • Average September

    57.7 °F

  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Mammoth Yosemite Airport (5.6 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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