Ernie Smith Park Weather Forecast

    • 46
    • 51

    Mostly Cloudy

    • 53
    • 60

    Rain

    • 46
    • 61

    Slight Chance Rain

    • 50
    • 58

    Rain Likely

    • 49
    • 57

    Rain

    • 45
    • 57

    Rain Likely

    • 47
    • 54

    Rain Likely

Today 15 Dec North Bay Interior Valleys

Mostly cloudy. Patchy dense fog. Highs in the upper 40s to lower 60s. South Winds 5 to 10 Mph.

Tonight 15 Dec North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy dense fog. A slight chance of rain after midnight. Lows in the 40s to mid 50s. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ernie Smith Park Temperature Statistics

December Temperature

Petaluma Municipal Airport (6.2 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    43.3 °F

  • Highest 3 December, 2025

    66.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.6 °F
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