Montara Bay Park Weather Forecast

    • 56
    • 77

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 54
    • 61

    Mostly Cloudy

    • 55
    • 62

    Chance Rain Showers

    • 55
    • 64

    Partly Sunny

    • 53
    • 62

    Partly Sunny

Today 17 Oct East Bay Interior Valleys

Sunny. Highs near 90. Northwest Winds 5 to 10 Mph.

Tonight 17 Oct East Bay Interior Valleys

Clear. Lows in the mid 50s. West Winds up to 5 Mph. Becoming southwest after midnight.

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Montara Bay Park Temperature Statistics

October Temperature

Napa, Napa County Airport (14.3 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    66 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (14.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.3 °F
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