Boonville Weather Forecast

    • 50
    • 81

    Increasing Clouds

    • 49
    • 79

    Partly Sunny

    • 49
    • 81

    Dense Fog

    • 50
    • 84

    Mostly Cloudy

    • 50
    • 81

    Mostly Cloudy

    • 50
    • 82

    Partly Sunny

Today 13 Aug Southwestern Interior Mendocino

Mostly cloudy then becoming partly cloudy late in the morning then becoming sunny. Patchy dense valley fog in the morning. Highs 68 to 81.

Tonight 13 Aug Southwestern Interior Mendocino

Partly cloudy in the evening then becoming mostly cloudy. Patchy dense valley fog overnight. Lows 48 to 58.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Boonville Temperature Statistics

August Temperature

Ukiah Municipal Airport (11.8 miles)

  • Lowest 6 August, 2026

    55.7 °F

  • Average August

    80.4 °F

  • Highest 8 August, 2026

    108.6 °F

Climate (2021–2026)

Ukiah Municipal Airport (11.8 miles)

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

  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.2 °F
Get WillyWeather+ to remove ads