Heilmann Regional Park Weather Forecast

    • 52
    • 78

    Gradual Clearing

    • 52
    • 79

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

    • 57
    • 84

    Partly Sunny

    • 59
    • 85

    Mostly Sunny

Today 4 Sep Southern Salinas Valley

Low Clouds and fog in the morning then partly cloudy. Highs in the mid 70s to around 80.

Tonight 4 Sep Southern Salinas Valley

Mostly clear in the evening then partly cloudy. Lows in the lower to mid 50s.

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Heilmann Regional Park Temperature Statistics

September Temperature

Paso Robles Municipal Airport (13.7 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    61.3 °F

  • Highest 1 September, 2026

    75 °F

Climate (2021–2026)

Paso Robles Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    77.9 °F
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