Mare Island Shoreline Heritage Preserve Weather Forecast

    • 55
    • 63

    Rain Likely

    • 56
    • 60

    Rain

    • 51
    • 62

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 53
    • 67

    Mostly Cloudy

    • 53
    • 66

    Mostly Cloudy

Today 23 Feb Carquinez Strait and Delta

Patchy dense fog in the morning. Mostly cloudy. Highs around 66. Light Winds becoming east up to 10 Mph in the afternoon.

Tonight 23 Feb Carquinez Strait and Delta

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain after midnight. Lows around 53. South Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mare Island Shoreline Heritage Preserve Temperature Statistics

February Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 18 February, 2026

    32 °F

  • Average February

    50.8 °F

  • Highest 5 February, 2026

    71.7 °F

Climate (2021–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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