Mare Island Shoreline Heritage Preserve Weather Forecast

    • 53
    • 69

    Becoming Sunny

    • 54
    • 70

    Increasing Clouds

    • 57
    • 68

    Mostly Cloudy

    • 56
    • 69

    Mostly Sunny

    • 60
    • 79

    Sunny

    • 59
    • 83

    Sunny

    • 57
    • 78

    Mostly Sunny

Today 6 Jun Southwestern Solano County Including Vallejo

Sunny in the morning then becoming partly cloudy. Highs 72 to 80. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 6 Jun Southwestern Solano County Including Vallejo

Clear. Lows around 52. Southwest Winds 10 to 20 Mph.

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Mare Island Shoreline Heritage Preserve Temperature Statistics

June Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 3 June, 2026

    48.7 °F

  • Average June

    65.1 °F

  • Highest 3 June, 2026

    86.6 °F

Climate (2021–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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