Atascadero Weather Forecast

    • 41
    • 70

    Sunny

    • 38
    • 73

    Sunny

    • 41
    • 73

    Mostly Sunny

    • 43
    • 71

    Mostly Sunny

    • 39
    • 67

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

    • 46
    • 69

    Mostly Sunny

Today 10 Dec Southern Salinas Valley

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

Tonight 10 Dec Southern Salinas Valley

Clear. Lows around 40. Northeast Winds around 15 Mph in the evening.

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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 °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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