Sand Mound Slough - Dutch Slough Entrance Weather Forecast

    • 46
    • 54

    Dense Fog

    • 44
    • 62

    Partly Sunny

    • 41
    • 56

    Partly Sunny

    • 36
    • 59

    Mostly Sunny

    • 38
    • 55

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

    • 41
    • 58

    Mostly Cloudy

Today 21 Jan East Bay Interior Valleys

Mostly cloudy. Areas of fog late in the morning. Highs in the mid 50s to lower 60s. Northeast Winds around 5 Mph.

Tonight 21 Jan East Bay Interior Valleys

Cloudy. Widespread dense fog. Lows in the mid 40s. Light Winds.

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Sand Mound Slough - Dutch Slough Entrance Temperature Statistics

January Temperature

Concord, Buchanan Field (23 miles)

  • Lowest 10 January, 2026

    34 °F

  • Average January

    49.5 °F

  • Highest 15 January, 2026

    66.9 °F

Climate (2021–Present)

Concord, Buchanan Field (23 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    74.2 °F
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