Heilmann Regional Park Weather Forecast

    • 55
    • 89

    Increasing Clouds

    • 49
    • 86

    Partly Sunny

    • 48
    • 72

    Mostly Sunny

    • 52
    • 77

    Sunny

    • 56
    • 85

    Sunny

    • 55
    • 87

    Mostly Sunny

Today 25 Sep Southern Salinas Valley

Mostly cloudy in the morning then sunny. Highs around 90.

Tonight 25 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 7 September, 2026

    45.6 °F

  • Average September

    69.9 °F

  • Highest 10 September, 2026

    107.7 °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

    77.8 °F
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