Santa Margarita Lake County Park Weather Forecast

    • 45
    • 71

    Increasing Clouds

    • 46
    • 74

    Gradual Clearing

    • 44
    • 75

    Partly Sunny

    • 37
    • 65

    Slight Chance Thunderstorms

    • 40
    • 59

    Partly Sunny

    • 42
    • 63

    Partly Sunny

    • 44
    • 69

    Mostly Sunny

Today 30 Apr San Luis Obispo County Mountains

Mostly cloudy except for patchy low Clouds and fog in the morning. Highs from the mid 70s to around 80 at low Elevations to the mid 60s to around 70 at high Elevations. West Winds near 15 Mph in the afternoon.

Tonight 30 Apr San Luis Obispo County Mountains

Partly cloudy in the evening then Areas of low Clouds and fog. Lows in the mid 40s to mid 50s except around 40 Colder Valleys and Slopes. Southwest Winds around 15 Mph in the evening.

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Santa Margarita Lake County Park Temperature Statistics

April Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 3 April, 2025

    34.6 °F

  • Average April

    57.5 °F

  • Highest 10 April, 2025

    89.7 °F

Climate (2020–Present)

Paso Robles Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    78 °F
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