Graton Weather Forecast

    • 52
    • 88

    Increasing Clouds

    • 54
    • 92

    Mostly Sunny

    • 54
    • 99

    Hot

    • 52
    • 89

    Areas Fog

    • 51
    • 87

    Areas Fog

    • 51
    • 86

    Areas Fog

Today 7 Aug North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 15 Mph.

Tonight 7 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 50s to 60s. Southwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Graton Temperature Statistics

August Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (5 miles)

  • Lowest 1 August, 2026

    50.6 °F

  • Average August

    71.5 °F

  • Highest 1 August, 2026

    98.7 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    72.8 °F
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