Guadalupe-Nipomo Dunes National Wildlife Refuge Weather Forecast

    • 50
    • 66

    Patchy Fog

    • 51
    • 59

    Patchy Fog

    • 48
    • 58

    Patchy Fog

    • 43
    • 57

    Patchy Fog

    • 46
    • 57

    Chance Rain

    • 49
    • 56

    Chance Rain

    • 47
    • 59

    Mostly Cloudy

Today 25 Mar San Luis Obispo County Beaches

Sunny. Highs in the upper 60s to mid 70s.

Tonight 25 Mar San Luis Obispo County Beaches

Low Clouds and fog. Lows in the mid 40s to around 50.

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  • Temperature Real-Time

Guadalupe-Nipomo Dunes National Wildlife Refuge Temperature Statistics

March Temperature

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

  • Lowest 8 March, 2025

    35.1 °F

  • Average March

    51.8 °F

  • Highest 23 March, 2025

    75 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    69 °F
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