Guadalupe Dunes Weather Forecast

    • 59
    • 62

    Mostly Cloudy

    • 57
    • 59

    Chance Rain

    • 57
    • 60

    Chance Rain Showers

    • 56
    • 61

    Rain Showers

    • 57
    • 59

    Rain Showers

    • 53
    • 59

    Rain Showers

Today 20 Dec Santa Barbara County Central Coast Beaches

Low Clouds and fog in the morning then partly cloudy. Highs in the mid 60s to around 70. Northwest Winds around 15 Mph in the morning.

Tonight 20 Dec Santa Barbara County Central Coast Beaches

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

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Guadalupe Dunes Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    37.9 °F
  • Average December

    55.4 °F
  • Highest 9 December, 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

    48 °F
  • Average 2020–2025

    56.7 °F
  • Average High 2020–2025

    68.8 °F
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