Heilmann Regional Park Weather Forecast

    • 58
    • 91

    Chance Rain Showers

    • 58
    • 79

    Rain Showers Likely

    • 57
    • 78

    Chance Rain Showers

    • 56
    • 84

    Mostly Sunny

    • 60
    • 87

    Patchy Fog

    • 60
    • 90

    Partly Sunny

    • 56
    • 84

    Mostly Sunny

Today 17 Sep Southern Salinas Valley

Partly cloudy in the morning then sunny. Highs in the lower to mid 90s.

Tonight 17 Sep Southern Salinas Valley

Mostly cloudy. A 20 percent chance of Showers after midnight. Lows in the 50s to around 60. Southwest Winds around 15 Mph in the evening.

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Heilmann Regional Park Temperature Statistics

September Temperature

Paso Robles Municipal Airport (13.7 miles)

  • Lowest 7 September, 2025

    48.9 °F

  • Average September

    69.2 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Paso Robles Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    78 °F
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