Creston Weather Forecast

    • 56
    • 82

    Rain Showers Likely

    • 57
    • 83

    Chance Rain Showers

    • 56
    • 87

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

    • 60
    • 92

    Chance Rain Showers

    • 57
    • 84

    Slight Chance Rain Showers

    • 56
    • 87

    Sunny

Today 18 Sep San Luis Obispo County Interior Valleys

Cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall. Highs around 80. South Winds around 15 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 18 Sep San Luis Obispo County Interior Valleys

Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 50s to mid 60s. Southwest Winds around 15 Mph in the evening. Chance of precipitation 70 percent.

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Creston Temperature Statistics

September Temperature

Paso Robles Municipal Airport (11.8 miles)

  • Lowest 7 September, 2025

    48.9 °F

  • Average September

    69.5 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Paso Robles Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    78 °F
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