Heilmann Regional Park Weather Forecast

    • 57
    • 87

    Mostly Sunny

    • 64
    • 90

    Mostly Cloudy

    • 65
    • 100

    Hot

    • 63
    • 97

    Hot

    • 58
    • 92

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

Today 7 Sep Southern Salinas Valley

Sunny. Highs around 90.

Tonight 7 Sep Southern Salinas Valley

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

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Heilmann Regional Park Temperature Statistics

September Temperature

Paso Robles Municipal Airport (13.7 miles)

  • Lowest 2 September, 2026

    46.7 °F

  • Average September

    66.2 °F

  • Highest 3 September, 2026

    85.6 °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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