Upper Blue Lake Weather Forecast

    • 40
    • 62

    Patchy Smoke

    • 44
    • 68

    Mostly Sunny

    • 48
    • 68

    Mostly Cloudy

    • 46
    • 67

    Slight Chance Rain

    • 46
    • 68

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 48
    • 69

    Partly Sunny

Today 18 Sep Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50

Sunny, warmer. Highs 60 to 70. Light Winds becoming northwest up to 10 Mph in the afternoon.

Tonight 18 Sep Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50

Haze until early morning. Clear. Lows 42 to 52. North Winds up to 10 Mph shifting to the east after midnight. Gusts up to 35 Mph.

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Upper Blue Lake Temperature Statistics

September Temperature

South Lake Tahoe, Lake Tahoe Airport (18 miles)

  • Lowest 14 September, 2026

    28.7 °F

  • Average September

    55.3 °F

  • Highest 10 September, 2026

    83.6 °F

Climate (2021–2026)

South Lake Tahoe, Lake Tahoe Airport (18 miles)

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  • Average Low 2021–2026

    31.1 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    59.7 °F
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