Atascadero Weather Forecast

    • 36
    • 68

    Mostly Sunny

    • 39
    • 68

    Mostly Sunny

    • 41
    • 67

    Patchy Fog

    • 43
    • 66

    Patchy Fog

    • 46
    • 62

    Chance Rain Showers

    • 48
    • 64

    Chance Rain Showers

Today 15 Dec Southern Salinas Valley

Low Clouds and fog in the morning then sunny. Fog locally dense with visibility one quarter mile or less. Highs around 70.

Tonight 15 Dec Southern Salinas Valley

Mostly clear. Lows in the mid 30s to mid 40s. East 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

    45.2 °F

  • Highest 12 December, 2025

    73 °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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