Walnut Creek Weather Forecast

    • 53
    • 78

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 67
    • 85

    Partly Sunny

    • 70
    • 86

    Partly Sunny

    • 71
    • 90

    Partly Sunny

    • 69
    • 89

    Chance Rain Showers

    • 66
    • 86

    Chance Rain Showers

Today 28 Aug Holmes

Mostly sunny. Near steady temperature in the upper 70s. North Winds 5 to 10 Mph.

Tonight 28 Aug Holmes

Clear. Lows in the mid 50s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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Walnut Creek Temperature Statistics

August Temperature

New Philadelphia, Harry Clever Field (16.2 miles)

  • Lowest 24 August, 2026

    52.6 °F

  • Average August

    72.3 °F

  • Highest 5 August, 2026

    87.7 °F

Climate (2021–2026)

New Philadelphia, Harry Clever Field (16.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    64 °F
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