Biddle Co Park Weather Forecast

    • 52
    • 72

    Gradual Clearing

    • 52
    • 75

    Decreasing Clouds

    • 52
    • 74

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 59
    • 78

    Chance Rain Showers

    • 60
    • 80

    Mostly Cloudy

    • 57
    • 78

    Partly Sunny

Today 4 Sep San Luis Obispo County Inland Central Coast

Low Clouds and fog in the morning then sunny. Highs in the mid 60s to mid 70s. West Winds around 15 Mph in the afternoon.

Tonight 4 Sep San Luis Obispo County Inland Central Coast

Mostly clear in the evening then mostly cloudy. Lows in the lower to mid 50s. Northwest Winds around 15 Mph in the evening.

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Biddle Co Park Temperature Statistics

September Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    64.1 °F

  • Highest 2 September, 2026

    75 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.3 °F
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