Whale Rock Reservoir Weather Forecast

    • 47
    • 62

    Increasing Clouds

    • 47
    • 72

    Partly Sunny

    • 46
    • 69

    Partly Sunny

    • 55
    • 66

    Mostly Sunny

    • 55
    • 60

    Mostly Sunny

    • 56
    • 64

    Mostly Sunny

Today 10 May San Luis Obispo County Beaches

Sunny except for patchy low Clouds and fog in the morning. Highs from the upper 50s to mid 60s at the Beaches to the upper 60s and 70s inland. West Winds around 15 Mph in the afternoon.

Tonight 10 May San Luis Obispo County Beaches

Partly cloudy in the evening then mostly cloudy. Lows in the upper 40s to mid 50s. West Winds around 15 Mph in the evening.

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Whale Rock Reservoir Temperature Statistics

May Temperature

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

  • Lowest 4 May, 2026

    46.7 °F

  • Average May

    59.4 °F

  • Highest 6 May, 2026

    72.6 °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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