Asti Weather Forecast

    • 43
    • 60

    Increasing Clouds

    • 46
    • 64

    Increasing Clouds

    • 46
    • 65

    Mostly Cloudy

    • 47
    • 65

    Mostly Cloudy

    • 44
    • 60

    Chance Rain

    • 45
    • 63

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

Today 28 Jan North Bay Interior Valleys

Partly cloudy. Highs near 60. Northwest Winds 5 to 10 Mph.

Tonight 28 Jan North Bay Interior Valleys

Mostly clear late in the evening then becoming partly cloudy. Patchy fog. Lows in the 30s to upper 40s. North Winds up to 5 Mph.

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Asti Temperature Statistics

January Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (19.9 miles)

  • Lowest 13 January, 2026

    30.7 °F

  • Average January

    49.8 °F

  • Highest 24 January, 2026

    71.1 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (19.9 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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