Pismo Lake Weather Forecast

    • 53
    • 70

    Patchy Fog

    • 55
    • 67

    Patchy Fog

    • 54
    • 68

    Chance Rain

    • 51
    • 69

    Slight Chance Rain

    • 48
    • 68

    Partly Sunny

    • 50
    • 72

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

Today 29 Mar San Luis Obispo County Beaches

Low Clouds and fog in the morning then sunny. Highs in the upper 60s to mid 70s.

Tonight 29 Mar San Luis Obispo County Beaches

Low Clouds and fog. Lows in the lower to mid 50s.

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Pismo Lake Temperature Statistics

March Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.8 miles)

  • Lowest 7 March, 2026

    41.6 °F

  • Average March

    65.8 °F

  • Highest 17 March, 2026

    97.6 °F

Climate (2021–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.8 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    73.1 °F
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