Mare Island Shoreline Heritage Preserve Weather Forecast

    • 53
    • 65

    Decreasing Clouds

    • 49
    • 63

    Mostly Sunny

    • 50
    • 63

    Partly Sunny

    • 52
    • 61

    Mostly Cloudy

    • 49
    • 60

    Partly Sunny

    • 48
    • 58

    Partly Sunny

Today 25 Oct Southwestern Solano County Including Vallejo

Partly cloudy in the morning then becoming mostly cloudy. Highs 68 to 73. Light Winds.

Tonight 25 Oct Southwestern Solano County Including Vallejo

Mostly cloudy in the evening then clearing. Lows 48 to 54. Southwest Winds up to 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Real-Time

Mare Island Shoreline Heritage Preserve Temperature Statistics

October Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    64.4 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.4 °F
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