Suisun Bay - Grizzly Island Wildlife Area Weather Forecast

    • 42
    • 49

    Decreasing Clouds

    • 42
    • 48

    Partly Sunny

    • 42
    • 48

    Partly Sunny

    • 44
    • 48

    Mostly Cloudy

    • 50
    • 58

    Chance Rain Showers

    • 53
    • 61

    Chance Rain Showers

Today 11 Dec Carquinez Strait and Delta

Areas of fog. Locally dense until late afternoon. Mostly cloudy. Highs around 47. Light Winds.

Tonight 11 Dec Carquinez Strait and Delta

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the Evening, then Areas of fog. Locally dense after midnight. Lows around 40. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Suisun Bay - Grizzly Island Wildlife Area Temperature Statistics

December Temperature

Concord, Buchanan Field (6.2 miles)

  • Lowest 4 December, 2025

    37.9 °F

  • Average December

    45.4 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Concord, Buchanan Field (6.2 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    74.3 °F
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