Clear Lake State Park Weather Forecast

    • 45
    • 73

    Mostly Sunny

    • 48
    • 72

    Chance Rain

    • 49
    • 72

    Chance Rain

    • 48
    • 66

    Partly Sunny

    • 46
    • 62

    Partly Sunny

Today 6 Apr Southern Lake County

Sunny. Highs 71 to 82.

Tonight 6 Apr Southern Lake County

Mostly clear. Lows 41 to 51.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake State Park Temperature Statistics

April Temperature

Ukiah Municipal Airport (21.7 miles)

  • Lowest 3 April, 2026

    36.6 °F

  • Average April

    55.8 °F

  • Highest 4 April, 2026

    82 °F

Climate (2021–Present)

Ukiah Municipal Airport (21.7 miles)

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

  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.3 °F
Get WillyWeather+ to remove ads