San Luis Obispo Weather Forecast

    • 50
    • 72

    Increasing Clouds

    • 51
    • 69

    Patchy Fog

    • 47
    • 65

    Patchy Fog

    • 50
    • 68

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 15 May San Luis Obispo County Inland Central Coast

Sunny after morning low Clouds and fog. Highs in the mid 60s to lower 70s. Northwest Winds around 15 Mph in the afternoon.

Tonight 15 May San Luis Obispo County Inland Central Coast

Mostly clear in the evening then Areas of low Clouds and fog. Lows around 50. Northwest Winds around 15 Mph in the evening.

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San Luis Obispo Temperature Statistics

May Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (3.1 miles)

  • Lowest 12 May, 2025

    43.6 °F

  • Average May

    59.9 °F

  • Highest 9 May, 2025

    89.7 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (3.1 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    73 °F
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