San Francisco Bay - Pinole Creek Entrance Weather Forecast

    • 58
    • 70

    Mostly Sunny

    • 58
    • 72

    Partly Sunny

    • 58
    • 65

    Mostly Cloudy

    • 58
    • 65

    Mostly Sunny

    • 59
    • 69

    Mostly Sunny

    • 60
    • 76

    Mostly Sunny

Today 18 Sep East Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the mid 80s. West Winds 5 to 15 Mph.

Tonight 18 Sep East Bay Interior Valleys

Mostly clear. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Pinole Creek Entrance Temperature Statistics

September Temperature

Concord, Buchanan Field (13 miles)

  • Lowest 7 September, 2026

    54.6 °F

  • Average September

    72.3 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (13 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
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