Graton Weather Forecast

    • 50
    • 79

    Increasing Clouds

    • 51
    • 80

    Partly Sunny

    • 52
    • 81

    Partly Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

Today 22 Jun North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 22 Jun North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 10 to 15 Mph.

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Graton Temperature Statistics

June Temperature

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

  • Lowest 7 June, 2026

    43.6 °F

  • Average June

    67.6 °F

  • Highest 11 June, 2026

    101.6 °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

    58.4 °F

  • Average High 2021–2026

    72.7 °F
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