Montara Bay Park Weather Forecast

    • 57
    • 62

    Increasing Clouds

    • 57
    • 64

    Partly Sunny

    • 56
    • 63

    Chance Drizzle

    • 55
    • 64

    Mostly Sunny

    • 55
    • 66

    Mostly Sunny

    • 56
    • 69

    Mostly Sunny

Today 1 Sep East Bay Interior Valleys

Partly cloudy. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Becoming west 10 to 20 Mph in the afternoon.

Tonight 1 Sep East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 10 to 20 Mph in the evening. Becoming light.

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Montara Bay Park Temperature Statistics

September Temperature

Napa, Napa County Airport (14.3 miles)

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Climate (2021–2026)

Napa, Napa County Airport (14.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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