Walnut Creek Weather Forecast

    • 59
    • 74

    Partly Sunny

    • 64
    • 84

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 64
    • 83

    Partly Sunny

    • 65
    • 82

    Mostly Cloudy

    • 64
    • 81

    Slight Chance Thunderstorms

Today 17 Sep Wake

Mostly cloudy. Near steady temperature in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 17 Sep Wake

Mostly clear. Patchy fog after midnight. Lows around 60. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Real-Time

Walnut Creek Temperature Statistics

September Temperature

Raleigh / Durham, Raleigh-Durham International Airport (14.3 miles)

  • Lowest 1 September, 2025

    55 °F

  • Average September

    69.5 °F

  • Highest 6 September, 2025

    93.9 °F

Climate (2020–Present)

Raleigh / Durham, Raleigh-Durham International Airport (14.3 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    73.9 °F
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