Clearlake Weather Forecast

    • 30
    • 46

    Rain Showers

    • 36
    • 47

    Rain

    • 24
    • 45

    Rain

    • 30
    • 47

    Chance Rain/Snow

    • 41
    • 47

    Rain

    • 43
    • 53

    Rain

    • 41
    • 55

    Rain

Today 17 Feb Southern Lake County

Snow Showers in the morning. Rain Showers and slight chance of Thunderstorms through the day. Snow Showers likely in the afternoon. Breezy. Some Thunderstorms may produce small hail. Snow level 2500 feet falling to 1500 feet in the afternoon. Snow Accumulations of 1 to 3 Inches. Highs 38 to 50. Southwest wind around 20 Mph at higher elevation.

Tonight 17 Feb Southern Lake County

Mostly cloudy then becoming partly cloudy in the late evening and overnight then becoming mostly cloudy. Scattered rain Showers in the evening. Scattered snow Showers through the night. Snow level 1000 feet. Lows 26 to 36.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clearlake Temperature Statistics

February Temperature

Ukiah Municipal Airport (32.9 miles)

  • Lowest 4 February, 2026

    33.7 °F

  • Average February

    51.8 °F

  • Highest 5 February, 2026

    75.7 °F

Climate (2021–Present)

Ukiah Municipal Airport (32.9 miles)

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

  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76.1 °F
Get WillyWeather+ to remove ads