Mare Island Shoreline Heritage Preserve Weather Forecast

    • 52
    • 64

    Mostly Sunny

    • 51
    • 63

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

    • 58
    • 76

    Sunny

    • 58
    • 77

    Sunny

Today 11 Oct Southwestern Solano County Including Vallejo

Sunny. Highs 66 to 74. West Winds up to 10 Mph.

Tonight 11 Oct Southwestern Solano County Including Vallejo

Clear. Lows around 52. Southwest Winds up to 10 Mph.

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Mare Island Shoreline Heritage Preserve Temperature Statistics

October Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 2 October, 2026

    50.6 °F

  • Average October

    70.9 °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

    70.3 °F
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