Helen Putnam Regional Park Weather Forecast

    • 40
    • 56

    Fog

    • 37
    • 60

    Mostly Sunny

    • 41
    • 55

    Mostly Cloudy

    • 40
    • 58

    Partly Sunny

    • 44
    • 58

    Chance Rain

    • 43
    • 56

    Chance Rain

Today 23 Jan North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the 50s to lower 60s. East Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 23 Jan North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 30s to upper 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helen Putnam Regional Park Temperature Statistics

January Temperature

Petaluma Municipal Airport (3.7 miles)

  • Lowest 9 January, 2026

    30.2 °F

  • Average January

    50.8 °F

  • Highest 16 January, 2026

    64.4 °F

Climate (2021–Present)

Petaluma Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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