Shepard Reservoir Weather Forecast

    • 40
    • 69

    Sunny

    • 39
    • 77

    Sunny

    • 43
    • 83

    Mostly Sunny

    • 46
    • 82

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 51
    • 79

    Partly Sunny

    • 52
    • 76

    Slight Chance Rain Showers

Today 13 Dec San Luis Obispo County Inland Central Coast

Areas of low Clouds and fog mostly clearing in the afternoon. Fog locally dense with visibility one quarter mile or less. Highs in the upper 60s to mid 70s.

Tonight 13 Dec San Luis Obispo County Inland Central Coast

Areas of low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the upper 30s and 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shepard Reservoir Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (5 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    57.5 °F

  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (5 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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