Guadalupe-Nipomo Dunes National Wildlife Refuge Weather Forecast

    • 45
    • 66

    Breezy

    • 45
    • 68

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 47
    • 75

    Sunny

    • 49
    • 67

    Patchy Fog

    • 47
    • 65

    Sunny

    • 51
    • 71

    Sunny

Today 5 Mar San Luis Obispo County Beaches

Sunny. Highs in the mid 60s to lower 70s. Northwest Winds 15 to 25 Mph.

Tonight 5 Mar San Luis Obispo County Beaches

Clear. Lows in the lower to mid 40s. Northwest Winds 15 to 25 Mph in the evening.

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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 1 March, 2026

    48.9 °F

  • Average March

    57 °F

  • Highest 3 March, 2026

    72 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    69 °F
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