Rancho Grande Park Weather Forecast

    • 51
    • 72

    Increasing Clouds

    • 52
    • 67

    Mostly Cloudy

    • 51
    • 65

    Patchy Fog

    • 51
    • 67

    Patchy Fog

    • 52
    • 67

    Patchy Fog

    • 52
    • 68

    Patchy Fog

    • 52
    • 70

    Mostly Sunny

Today 31 May San Luis Obispo County Inland Central Coast

Sunny. Fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs in the upper 60s to mid 70s except around 80 farthest inland.

Tonight 31 May San Luis Obispo County Inland Central Coast

Partly cloudy in the evening then mostly cloudy. Lows in the upper 40s to mid 50s.

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Rancho Grande Park Temperature Statistics

May Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

  • Lowest 12 May, 2025

    43.6 °F

  • Average May

    59.7 °F

  • Highest 9 May, 2025

    89.7 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    72.9 °F
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