Beck Lakes Weather Forecast

    • 34
    • 40

    Chance Snow Showers

    • 38
    • 51

    Mostly Sunny

    • 42
    • 59

    Sunny

    • 44
    • 60

    Mostly Sunny

    • 43
    • 59

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 41
    • 57

    Mostly Sunny

Today 28 Sep Upper San Joaquin River

Sunny early in the Morning, then chance of rain Showers and slight chance of Thunderstorms late in the morning. Partly sunny with chance of rain Showers, snow Showers and slight chance of Thunderstorms in the afternoon. Patchy smoke late in the afternoon. Highs 41 to 59. North Winds up to 10 Mph. Gusts up to 20 Mph increasing to 30 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 28 Sep Upper San Joaquin River

Mostly clear. Patchy smoke in the evening. Lows 32 to 44. Northeast Winds 10 to 20 Mph with Gusts to around 50 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beck Lakes Temperature Statistics

September Temperature

Mammoth Yosemite Airport (16.8 miles)

  • Lowest 18 September, 2026

    28.4 °F
  • Average September

    58.2 °F
  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Mammoth Yosemite Airport (16.8 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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