Upper Lake Weather Forecast

    • 49
    • 80

    Decreasing Clouds

    • 50
    • 85

    Mostly Sunny

    • 49
    • 84

    Mostly Sunny

    • 49
    • 83

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

    • 52
    • 85

    Sunny

Today 22 Jul Southern Lake County

Partly cloudy in the morning then clearing. Highs 71 to 82.

Tonight 22 Jul Southern Lake County

Partly cloudy. Lows 50 to 60.

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  • Temperature Real-Time

Upper Lake Temperature Statistics

July Temperature

Ukiah Municipal Airport (15.5 miles)

  • Lowest 5 July, 2025

    48.7 °F
  • Average July

    75.2 °F
  • Highest 11 July, 2025

    105.7 °F

Climate (2020–Present)

Ukiah Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    46.8 °F
  • Average 2020–2025

    60.8 °F
  • Average High 2020–2025

    76.3 °F
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