Monte Rio Weather Forecast

    • 49
    • 79

    Decreasing Clouds

    • 52
    • 75

    Mostly Sunny

    • 53
    • 80

    Partly Sunny

    • 52
    • 70

    Chance Rain

    • 50
    • 61

    Rain Likely

    • 46
    • 60

    Rain Likely

Today 27 Mar North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s to mid 80s. Northeast Winds 5 to 10 Mph. Becoming southwest in the afternoon.

Tonight 27 Mar North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Lows in the 40s to 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monte Rio Temperature Statistics

March Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (10.6 miles)

  • Lowest 10 March, 2026

    38.6 °F

  • Average March

    61.7 °F

  • Highest 20 March, 2026

    91.7 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (10.6 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    72.8 °F
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