Mare Island Shoreline Heritage Preserve Weather Forecast

    • 39
    • 54

    Mostly Sunny

    • 37
    • 51

    Mostly Sunny

    • 40
    • 51

    Mostly Cloudy

    • 40
    • 52

    Partly Sunny

    • 43
    • 53

    Mostly Sunny

    • 44
    • 56

    Partly Sunny

    • 46
    • 58

    Mostly Sunny

Today 8 Jan Carquinez Strait and Delta

Sunny. Highs around 52. Northwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 8 Jan Carquinez Strait and Delta

Mostly clear. Lows 34 to 39. North Winds 10 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mare Island Shoreline Heritage Preserve Temperature Statistics

January Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 6 January, 2026

    44.1 °F

  • Average January

    54.1 °F

  • Highest 2 January, 2026

    61 °F

Climate (2021–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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