Mare Island Shoreline Heritage Preserve Weather Forecast

    • 47
    • 60

    Becoming Sunny

    • 47
    • 59

    Mostly Cloudy

    • 49
    • 56

    Rain Likely

    • 48
    • 56

    Rain

    • 44
    • 53

    Rain

    • 42
    • 51

    Rain

Today 12 Feb Carquinez Strait and Delta

Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs around 61. North Winds up to 10 Mph.

Tonight 12 Feb Carquinez Strait and Delta

Clear. Lows around 42. Northwest Winds up to 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 2 February, 2026

    35.7 °F

  • Average February

    53 °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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