Atascadero Weather Forecast

    • 42
    • 70

    Sunny

    • 42
    • 73

    Mostly Sunny

    • 41
    • 73

    Sunny

    • 42
    • 72

    Sunny

    • 44
    • 71

    Mostly Sunny

    • 41
    • 67

    Mostly Sunny

Today 9 Dec Southern Salinas Valley

Sunny. Highs in the upper 60s to mid 70s. Northeast Winds 15 to 25 Mph.

Tonight 9 Dec Southern Salinas Valley

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

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Atascadero Temperature Statistics

December Temperature

Paso Robles Municipal Airport (12.4 miles)

  • Lowest 5 December, 2025

    30 °F

  • Average December

    43.9 °F

  • Highest 7 December, 2025

    66 °F

Climate (2020–Present)

Paso Robles Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    77.7 °F
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