Petaluma River - Black Point Weather Forecast

    • 47
    • 58

    Mostly Cloudy

    • 47
    • 58

    Cloudy

    • 46
    • 59

    Mostly Cloudy

    • 43
    • 59

    Partly Sunny

    • 41
    • 60

    Partly Sunny

    • 42
    • 57

    Mostly Cloudy

    • 42
    • 58

    Mostly Cloudy

Today 20 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog late in the morning. Highs in the lower 50s to mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 20 Jan North Bay Interior Valleys

Cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 40s to lower 50s. East Winds up to 5 Mph.

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Petaluma River - Black Point Temperature Statistics

January Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 12 January, 2026

    33.8 °F

  • Average January

    50.6 °F

  • Highest 15 January, 2026

    66.2 °F

Climate (2021–Present)

Novato / Gnoss Field (3.1 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    72.3 °F
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