Whale Rock Reservoir Weather Forecast

    • 42
    • 52

    Sunny

    • 44
    • 55

    Mostly Sunny

    • 46
    • 58

    Breezy

    • 48
    • 59

    Breezy

    • 50
    • 61

    Sunny

    • 52
    • 64

    Mostly Sunny

Today 8 Jan San Luis Obispo County Beaches

Partly cloudy in the morning then sunny. Highs in the mid 50s to around 60. Northwest Winds 15 to 25 Mph.

Tonight 8 Jan San Luis Obispo County Beaches

Mostly clear. Lows around 40. North Winds 15 to 25 Mph.

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Whale Rock Reservoir Temperature Statistics

January Temperature

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

  • Lowest 2 January, 2026

    42.1 °F

  • Average January

    55.9 °F

  • Highest 2 January, 2026

    66 °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 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    72.8 °F
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