Thomas Lake Harris Open Space Weather Forecast

    • 44
    • 62

    Dense Fog

    • 42
    • 57

    Fog

    • 39
    • 60

    Mostly Sunny

    • 40
    • 56

    Mostly Cloudy

    • 41
    • 58

    Mostly Cloudy

    • 46
    • 56

    Chance Rain

Today 22 Jan North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the 50s to upper 60s. Light Winds. Becoming southwest around 5 Mph in the afternoon.

Tonight 22 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog. Lows in the 40s. Southwest Winds up to 5 Mph. Becoming northwest after midnight.

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Thomas Lake Harris Open Space Temperature Statistics

January Temperature

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

  • Lowest 13 January, 2026

    30.9 °F

  • Average January

    48.1 °F

  • Highest 16 January, 2026

    68 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (5 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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