Fulton Weather Forecast

    • 53
    • 83

    Becoming Sunny

    • 52
    • 85

    Partly Sunny

    • 52
    • 80

    Areas Fog

    • 51
    • 81

    Patchy Fog

    • 53
    • 83

    Partly Sunny

    • 55
    • 89

    Partly Sunny

Today 18 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s to 80s. West Winds up to 5 Mph increasing to southwest 10 to 20 Mph in the afternoon.

Tonight 18 Sep North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the upper 40s to lower 60s. Southwest Winds 5 to 15 Mph.

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Fulton Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (2.5 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    67.6 °F

  • Highest 10 September, 2026

    101.6 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (2.5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    72.9 °F
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