Guadalupe-Nipomo Dunes National Wildlife Refuge Weather Forecast

    • 54
    • 62

    Increasing Clouds

    • 54
    • 63

    Mostly Cloudy

    • 53
    • 61

    Mostly Cloudy

    • 53
    • 65

    Patchy Fog

    • 53
    • 66

    Patchy Fog

    • 53
    • 65

    Mostly Cloudy

    • 54
    • 64

    Partly Sunny

Today 20 Oct San Luis Obispo County Beaches

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

Tonight 20 Oct San Luis Obispo County Beaches

Mostly clear early then low Clouds and fog. Lows in the mid 50s.

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Guadalupe-Nipomo Dunes National Wildlife Refuge Temperature Statistics

October Temperature

Santa Maria Public Airport/Capt G Allan Hancock Field (11.8 miles)

  • Lowest 15 October, 2025

    45 °F

  • Average October

    60.6 °F

  • Highest 17 October, 2025

    81 °F

Climate (2020–Present)

Santa Maria Public Airport/Capt G Allan Hancock Field (11.8 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.6 °F

  • Average High 2020–2025

    68.8 °F
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