Round Top Weather Forecast

    • 34
    • 46

    Sunny

    • 41
    • 55

    Patchy Smoke

    • 45
    • 62

    Mostly Sunny

    • 46
    • 61

    Mostly Cloudy

    • 46
    • 60

    Slight Chance Rain

    • 46
    • 61

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

Today 17 Sep Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50

Mostly clear. Lows 45 to 55. Highs 66 to 76.

Tonight 17 Sep Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50

Clear. Lows 35 to 45. Light Winds becoming southeast up to 10 Mph after midnight. Gusts up to 20 Mph.

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Round Top Temperature Statistics

September Temperature

South Lake Tahoe, Lake Tahoe Airport (16.2 miles)

  • Lowest 7 September, 2026

    32.6 °F

  • Average September

    55.8 °F

  • Highest 10 September, 2026

    83.6 °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

    45.5 °F

  • Average High 2021–2026

    59.7 °F
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