Montara Bay Park Weather Forecast

    • 55
    • 67

    Increasing Clouds

    • 55
    • 66

    Partly Sunny

    • 56
    • 66

    Mostly Cloudy

    • 58
    • 67

    Mostly Cloudy

    • 58
    • 71

    Partly Sunny

    • 57
    • 70

    Partly Sunny

    • 56
    • 69

    Partly Sunny

Today 17 Jul East Bay Interior Valleys

Sunny. Highs in the 80s. West Winds 10 to 15 Mph.

Tonight 17 Jul East Bay Interior Valleys

Mostly clear. Lows in the upper 50s. West Winds 5 to 15 Mph.

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Montara Bay Park Temperature Statistics

July Temperature

Napa, Napa County Airport (14.3 miles)

  • Lowest 11 July, 2026

    48.7 °F

  • Average July

    65.8 °F

  • Highest 13 July, 2026

    88 °F

Climate (2021–2026)

Napa, Napa County Airport (14.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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