Whale Rock Reservoir Weather Forecast

    • 54
    • 70

    Increasing Clouds

    • 52
    • 63

    Partly Sunny

    • 57
    • 67

    Mostly Sunny

    • 57
    • 67

    Mostly Cloudy

    • 56
    • 61

    Mostly Cloudy

    • 55
    • 60

    Chance Rain

Today 5 Apr San Luis Obispo County Beaches

Sunny in the morning then partly cloudy. Highs in the 70s.

Tonight 5 Apr San Luis Obispo County Beaches

Mostly clear early then low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the upper 40s to mid 50s.

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Whale Rock Reservoir Temperature Statistics

April Temperature

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

  • Lowest 1 April, 2026

    51.7 °F

  • Average April

    61.9 °F

  • Highest 3 April, 2026

    79 °F

Climate (2021–Present)

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

    60.7 °F

  • Average High 2021–2026

    73.1 °F
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