Portuguese Beach Weather Forecast
- 50
- 55
Decreasing Clouds
- 47
- 59
Increasing Clouds
- 49
- 55
Mostly Cloudy
- 49
- 57
Partly Sunny
- 51
- 58
Chance Rain
- 51
- 56
Chance Rain
- 50
- 58
Partly Sunny
Today 23 Jan Coastal North Bay Including Point Reyes National Seashore
Mostly cloudy late in the morning then becoming partly cloudy. Areas of fog late in the morning. Patchy fog in the afternoon. Highs in the mid 50s. Light Winds. Becoming west around 5 Mph in the afternoon.
Tonight 23 Jan Coastal North Bay Including Point Reyes National Seashore
Mostly clear. Lows in the mid 40s. North Winds around 5 Mph. Becoming northeast after midnight.
Portuguese Beach Temperature Statistics
January Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)
Lowest 13 January, 2026
30.9 °FAverage January
48.1 °FHighest 16 January, 2026
68 °F
Climate (2021–Present)
Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)
Average Low 2021–2026
45.6 °FAverage 2021–2026
58 °FAverage High 2021–2026
72.5 °F