Ernie Smith Park Weather Forecast

    • 43
    • 69

    Increasing Clouds

    • 47
    • 71

    Chance Rain Showers

    • 45
    • 72

    Chance Rain Showers

    • 43
    • 70

    Partly Sunny

    • 44
    • 75

    Mostly Sunny

    • 44
    • 75

    Slight Chance Rain Showers

    • 44
    • 76

    Slight Chance Rain Showers

Today 19 Oct North Bay Interior Valleys

Sunny late in the morning then becoming partly cloudy. Highs in the upper 50s to lower 70s. West Winds 10 to 20 Mph.

Tonight 19 Oct North Bay Interior Valleys

Cloudy. Areas of fog after midnight. Lows in the upper 30s to lower 50s. West Winds 10 to 15 Mph decreasing to up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ernie Smith Park Temperature Statistics

October Temperature

Petaluma Municipal Airport (6.2 miles)

  • Lowest 13 October, 2026

    39.2 °F

  • Average October

    66.5 °F

  • Highest 3 October, 2026

    98.6 °F

Climate (2021–2026)

Petaluma Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    68.6 °F
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