Black Diamond Mines Regional Preserve Weather Forecast

    • 48
    • 68

    Increasing Clouds

    • 48
    • 61

    Mostly Cloudy

    • 45
    • 55

    Rain Showers Likely

    • 42
    • 56

    Chance Rain

    • 40
    • 58

    Partly Sunny

    • 44
    • 57

    Chance Rain

Today 8 Feb East Bay Interior Valleys

Partly cloudy. Areas of dense fog in the morning. Highs in the upper 60s. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 8 Feb East Bay Interior Valleys

Mostly cloudy. Patchy fog. Lows in the upper 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Diamond Mines Regional Preserve Temperature Statistics

February Temperature

Concord, Buchanan Field (9.9 miles)

  • Lowest 4 February, 2026

    39 °F

  • Average February

    54.3 °F

  • Highest 6 February, 2026

    72 °F

Climate (2021–Present)

Concord, Buchanan Field (9.9 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    74.2 °F
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