Whale Rock Reservoir Weather Forecast

    • 49
    • 55

    Decreasing Clouds

    • 50
    • 57

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 55
    • 66

    Partly Sunny

    • 55
    • 64

    Mostly Sunny

    • 56
    • 65

    Partly Sunny

Today 26 Apr San Luis Obispo County Beaches

Mostly cloudy. A 30 percent chance of Showers in the morning. Highs in the upper 50s to mid 60s. West Winds around 15 Mph in the afternoon.

Tonight 26 Apr San Luis Obispo County Beaches

Partly cloudy. Lows in the mid to upper 40s.

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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 13 April, 2026

    43.6 °F

  • Average April

    61.1 °F

  • Highest 4 April, 2026

    85.6 °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

    60.8 °F

  • Average High 2021–2026

    73.2 °F
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