Clearlake Oaks Weather Forecast

    • 40
    • 61

    Rain Showers Likely

    • 45
    • 60

    Rain Likely

    • 45
    • 57

    Rain

    • 45
    • 58

    Rain

    • 45
    • 58

    Rain

    • 42
    • 55

    Rain Likely

Today 17 Dec Southern Lake County

Mostly cloudy in the morning then becoming partly cloudy. Rain Showers likely in the Morning, then slight chance of rain Showers in the afternoon. Highs 56 to 66.

Tonight 17 Dec Southern Lake County

Partly cloudy. Slight chance of rain. Lows 38 to 48.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clearlake Oaks Temperature Statistics

December Temperature

Ukiah Municipal Airport (29.2 miles)

  • Lowest 13 December, 2025

    30 °F

  • Average December

    46.9 °F

  • Highest 10 December, 2025

    72 °F

Climate (2020–Present)

Ukiah Municipal Airport (29.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76 °F
Get WillyWeather+ to remove ads