Shepard Reservoir Weather Forecast

    • 56
    • 77

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 55
    • 73

    Patchy Fog

    • 54
    • 71

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

Today 12 Sep San Luis Obispo County Inland Central Coast

Low Clouds and fog in the morning then sunny. Highs in the upper 60s and 70s. West Winds 15 to 25 Mph in the afternoon.

Tonight 12 Sep San Luis Obispo County Inland Central Coast

Partly cloudy except for patchy low Clouds and fog after midnight. Fog locally dense with visibility one quarter mile or less. Lows in the lower to mid 50s. Northwest Winds around 15 Mph.

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Shepard Reservoir Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    70.6 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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