Portuguese Beach Weather Forecast

    • 51
    • 58

    Decreasing Clouds

    • 52
    • 58

    Partly Sunny

    • 52
    • 58

    Partly Sunny

    • 50
    • 58

    Partly Sunny

    • 50
    • 57

    Partly Sunny

    • 51
    • 56

    Mostly Cloudy

Today 9 Dec Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs around 60. North Winds around 5 Mph. Becoming northwest in the afternoon.

Tonight 9 Dec Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the upper 40s. North Winds around 5 Mph in the evening. Becoming light.

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Portuguese Beach Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    45.5 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.5 °F
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