Mare Island Shoreline Heritage Preserve Weather Forecast

    • 55
    • 68

    Mostly Sunny

    • 58
    • 74

    Increasing Clouds

    • 58
    • 73

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 57
    • 64

    Rain

    • 52
    • 59

    Rain Likely

    • 51
    • 56

    Rain Likely

Today 8 Nov Carquinez Strait and Delta

Mostly sunny. Near the Bay, mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 70 to 76. Light Winds.

Tonight 8 Nov Carquinez Strait and Delta

Mostly clear. Lows 48 to 54. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mare Island Shoreline Heritage Preserve Temperature Statistics

November Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 1 November, 2025

    44.1 °F

  • Average November

    59.2 °F

  • Highest 2 November, 2025

    77 °F

Climate (2020–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    70.2 °F
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