Ernie Smith Park Weather Forecast

    • 53
    • 87

    Sunny

    • 53
    • 92

    Sunny

    • 51
    • 91

    Mostly Sunny

    • 50
    • 90

    Mostly Sunny

    • 48
    • 81

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

Today 18 May North Bay Interior Valleys

Sunny, breezy. Highs in the mid 70s to upper 80s. North Winds 20 to 30 Mph decreasing to 10 to 20 Mph in the afternoon.

Tonight 18 May North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. North Winds 10 to 20 Mph with Gusts to around 35 Mph.

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Ernie Smith Park Temperature Statistics

May Temperature

Petaluma Municipal Airport (6.2 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    56.8 °F

  • Highest 10 May, 2026

    77 °F

Climate (2021–Present)

Petaluma Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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