San Luis County Regional Airport Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 57
    • 81

    Patchy Fog

    • 56
    • 82

    Patchy Fog

    • 57
    • 83

    Partly Sunny

    • 58
    • 83

    Partly Sunny

    • 57
    • 82

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 4 Aug San Luis Obispo County Inland Central Coast

Low Clouds and fog in the morning then sunny. Fog locally dense with visibility one quarter mile or less. Highs in the upper 60s and 70s except the lower to mid 80s farthest inland.

Tonight 4 Aug San Luis Obispo County Inland Central Coast

Cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s.

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San Luis County Regional Airport Temperature Statistics

August Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (0 miles)

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    66 °F

  • Highest 1 August, 2026

    82.7 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (0 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    73.2 °F
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