Chumash Park Weather Forecast

    • 58
    • 75

    Decreasing Clouds

    • 60
    • 78

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 59
    • 75

    Mostly Sunny

Today 20 Jul San Luis Obispo County Beaches

Low Clouds and fog in the morning then partly cloudy. Highs from the mid 60s to around 70 at the Beaches to the mid 70s to around 80 inland. West Winds around 15 Mph in the afternoon.

Tonight 20 Jul San Luis Obispo County Beaches

Low Clouds and fog developing. Lows in the mid 50s. West Winds around 15 Mph in the evening.

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Chumash Park Temperature Statistics

July Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.2 miles)

  • Lowest 3 July, 2026

    51.7 °F

  • Average July

    67.2 °F

  • Highest 14 July, 2026

    89.7 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.2 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    73.2 °F
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