Greenbriar Weather Forecast

    • 55
    • 86

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 50
    • 60

    Mostly Cloudy

    • 51
    • 63

    Chance Rain Showers

    • 52
    • 68

    Partly Sunny

    • 49
    • 65

    Partly Sunny

Today 17 Oct East Bay Interior Valleys

Sunny. Highs near 90. Northwest Winds 5 to 10 Mph.

Tonight 17 Oct East Bay Interior Valleys

Clear. Lows in the mid 50s. West Winds up to 5 Mph. Becoming southwest after midnight.

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Greenbriar Temperature Statistics

October Temperature

Concord, Buchanan Field (11.8 miles)

  • Lowest 13 October, 2026

    46.7 °F

  • Average October

    71.8 °F

  • Highest 6 October, 2026

    99.6 °F

Climate (2021–2026)

Concord, Buchanan Field (11.8 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    74.3 °F
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