Round Top Weather Forecast

    • 37
    • 49

    Mostly Sunny

    • 36
    • 47

    Mostly Sunny

    • 39
    • 55

    Sunny

    • 45
    • 57

    Chance Rain

    • 49
    • 59

    Chance Rain

    • 48
    • 61

    Slight Chance Thunderstorms

    • 43
    • 57

    Partly Sunny

Today 5 Sep Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50

Partly cloudy. A slight chance of rain in the late morning and early afternoon. Warmer. Highs 55 to 65. South Winds up to 10 Mph with Gusts to around 30 Mph.

Tonight 5 Sep Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50

Mostly clear. Lows 38 to 48. South Winds up to 10 Mph with Gusts to around 35 Mph.

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Round Top Temperature Statistics

September Temperature

South Lake Tahoe, Lake Tahoe Airport (16.2 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    54.1 °F

  • Highest 1 September, 2026

    69.7 °F

Climate (2021–2026)

South Lake Tahoe, Lake Tahoe Airport (16.2 miles)

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  • Average Low 2021–2026

    31.1 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    59.7 °F
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