Harmony Weather Forecast

    • 56
    • 67

    Chance Rain Showers

    • 58
    • 66

    Chance Rain Showers

    • 58
    • 69

    Patchy Fog

    • 60
    • 72

    Patchy Fog

    • 61
    • 74

    Slight Chance Rain Showers

    • 59
    • 69

    Slight Chance Rain Showers

Today 18 Sep San Luis Obispo County Beaches

A chance of Showers with a slight chance of Thunderstorms in the morning then Showers likely with a slight chance of Thunderstorms in the afternoon. Highs from the mid to upper 60s at the Beaches to the mid 70s inland. Chance of precipitation 70 percent.

Tonight 18 Sep San Luis Obispo County Beaches

Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the 50s to around 60. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harmony Temperature Statistics

September Temperature

Paso Robles Municipal Airport (24.2 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 (24.2 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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