Foothill Regional Park Weather Forecast

    • 40
    • 65

    Increasing Clouds

    • 43
    • 64

    Mostly Cloudy

    • 43
    • 62

    Mostly Cloudy

    • 41
    • 63

    Areas Fog

    • 41
    • 61

    Areas Fog

    • 40
    • 60

    Areas Fog

Today 19 Jan North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 50s to lower 70s. Northeast Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 19 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog. Lows in the upper 30s to lower 50s. Northeast Winds up to 5 Mph.

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Foothill Regional Park Temperature Statistics

January Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (3.7 miles)

  • Lowest 13 January, 2026

    30.9 °F

  • Average January

    48.4 °F

  • Highest 16 January, 2026

    68 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (3.7 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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