Mare Island Shoreline Heritage Preserve Weather Forecast

    • 48
    • 62

    Mostly Cloudy

    • 50
    • 57

    Rain Showers

    • 46
    • 55

    Rain Showers Likely

    • 45
    • 59

    Patchy Fog

    • 48
    • 59

    Mostly Cloudy

    • 46
    • 55

    Rain Likely

Today 9 Feb Carquinez Strait and Delta

Areas of fog in the morning. Mostly cloudy. Highs around 62. North Winds up to 15 Mph.

Tonight 9 Feb Carquinez Strait and Delta

Cloudy. Lows around 47. Northwest Winds up to 10 Mph in the evening becoming light.

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  • 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

    52.8 °F

  • Highest 5 February, 2026

    71.1 °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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