Walnut Creek Weather Forecast

    • 35
    • 53

    Increasing Clouds

    • 46
    • 59

    Mostly Cloudy

    • 49
    • 66

    Chance Rain

    • 54
    • 66

    Rain

    • 51
    • 62

    Rain

    • 51
    • 64

    Chance Rain

Today 20 Feb East Bay Interior Valleys

Mostly cloudy. Areas of frost in the morning. Highs in the lower 50s. Southeast Winds around 5 Mph.

Tonight 20 Feb East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Light Winds. Becoming east around 5 Mph after midnight.

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  • Temperature Real-Time

Walnut Creek Temperature Statistics

February Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 18 February, 2026

    37 °F

  • Average February

    53.8 °F

  • Highest 6 February, 2026

    73.7 °F

Climate (2021–Present)

Concord, Buchanan Field (5.6 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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