Upper Lake Weather Forecast

    • 43
    • 72

    Mostly Sunny

    • 44
    • 76

    Sunny

    • 49
    • 75

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 48
    • 70

    Partly Sunny

Today 21 Apr Clear Lake/Southern Lake County

Sunny. Highs 70 to 82. Prevailing northeast Winds up to 10 Mph.

Tonight 21 Apr Clear Lake/Southern Lake County

Clear. Lows 46 to 56. Prevailing southeast Winds up to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Lake Temperature Statistics

April Temperature

Ukiah, Ukiah Municipal Airport (15.5 miles)

  • Lowest 17 April, 2018

    35.1 °F
  • Average April

    53.3 °F
  • Highest 9 April, 2018

    78.1 °F

Climate (2010–Present)

Ukiah, Ukiah Municipal Airport (15.5 miles)

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  • Average Low 2010–Present

    45.8 °F
  • Average 2010–Present

    58.1 °F
  • Average High 2010–Present

    73.3 °F
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