Whale Rock Reservoir Weather Forecast

    • 56
    • 65

    Gradual Clearing

    • 56
    • 63

    Partly Sunny

    • 59
    • 66

    Patchy Fog

    • 60
    • 70

    Mostly Cloudy

    • 60
    • 76

    Partly Sunny

    • 62
    • 81

    Partly Sunny

Today 9 Jul San Luis Obispo County Beaches

Low Clouds and fog in the morning then sunny. Highs from the mid to upper 60s at the Beaches to the mid 70s to around 80 inland. Northwest Winds 15 to 25 Mph in the afternoon.

Tonight 9 Jul San Luis Obispo County Beaches

Partly cloudy in the evening then Areas of low Clouds and fog. Lows in the mid 50s. Northwest Winds 15 to 25 Mph in the evening.

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Whale Rock Reservoir Temperature Statistics

July Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (19.9 miles)

  • Lowest 3 July, 2026

    51.7 °F

  • Average July

    64.5 °F

  • Highest 4 July, 2026

    78.7 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (19.9 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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