Deer Park Weather Forecast

    • 55
    • 72

    Increasing Clouds

    • 54
    • 69

    Mostly Cloudy

    • 54
    • 74

    Partly Sunny

    • 54
    • 75

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

Today 21 Jul North Bay Interior Valleys

Sunny. Highs in the mid 60s to lower 80s. West Winds 10 to 20 Mph.

Tonight 21 Jul North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s. West Winds 10 to 20 Mph.

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Deer Park Temperature Statistics

July Temperature

Novato / Gnoss Field (11.8 miles)

  • Lowest 5 July, 2025

    46.4 °F

  • Average July

    62.4 °F

  • Highest 10 July, 2025

    96.8 °F

Climate (2020–Present)

Novato / Gnoss Field (11.8 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    72.7 °F
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