Deer Park Weather Forecast

    • 50
    • 82

    Mostly Sunny

    • 50
    • 86

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 58
    • 87

    Sunny

    • 59
    • 95

    Sunny

    • 54
    • 93

    Sunny

Today 5 Jul North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. Southwest Winds 5 to 15 Mph.

Tonight 5 Jul North Bay Interior Valleys

Mostly clear. Lows in the upper 40s to mid 50s. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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Deer Park Temperature Statistics

July Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (18.6 miles)

  • Lowest 1 July, 2025

    52 °F

  • Average July

    64.6 °F

  • Highest 2 July, 2025

    82.9 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (18.6 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    72.9 °F
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