Mark West Weather Forecast

    • 41
    • 65

    Areas Fog

    • 43
    • 66

    Areas Fog

    • 40
    • 64

    Mostly Cloudy

    • 41
    • 65

    Partly Sunny

    • 42
    • 67

    Mostly Sunny

    • 42
    • 69

    Partly Sunny

Today 30 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog in the morning. Highs in the 50s to upper 60s. Northeast Winds 5 to 10 Mph. Becoming east in the afternoon.

Tonight 30 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog after midnight. Lows in the upper 30s to lower 50s. Northeast Winds up to 5 Mph.

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Mark West Temperature Statistics

January Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (1.9 miles)

  • Lowest 13 January, 2026

    30.7 °F

  • Average January

    49.9 °F

  • Highest 24 January, 2026

    71.7 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (1.9 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.5 °F
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