Santa Rosa — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Santa Rosa, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Santa Rosa today is 21.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| SEP 21 | 22.7°C | 18.4°C | |
| SEP 22 | 22.9°C | 18.4°C | |
| SEP 23 | 22.2°C | 18.4°C | |
| SEP 24 | 22.1°C | 18.4°C | |
| SEP 25 | 22.2°C | 18.4°C | |
| SEP 26 | 22.4°C | 18.4°C | |
| SEP 27 | 22.7°C | 18.4°C | |
| SEP 28 | 22.5°C | 18.4°C | |
| SEP 29 | 18.4°C | 21.6°C | |
| SEP 30 | 18.4°C | 21.3°C | |
| OCT 1 | 15.5°C | 20.9°C | |
| OCT 2 | 15.5°C | 20.6°C | |
| OCT 3 | 15.5°C | 20.3°C | |
| OCT 4 | 15.5°C | 20.0°C | |
| OCT 5 | 15.5°C | 19.7°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 3°C | 7°C | 12°C |
| February | 3°C | 8°C | 14°C |
| March | 3°C | 11°C | 19°C |
| April | 5°C | 12°C | 19°C |
| May | 8°C | 15°C | 23°C |
| June | 14°C | 20°C | 25°C |
| July | 17°C | 22°C | 28°C |
| August | 17°C | 23°C | 30°C |
| September | 11°C | 18°C | 26°C |
| October | 8°C | 16°C | 23°C |
| November | 3°C | 11°C | 19°C |
| December | 9°C | 6°C | 14°C |
Santa Rosa: Weather Forecast
September 29
September 30
October 1
October 2
October 3
Location & Local Information
Santa Rosa, California, is located in the heart of Sonoma County, an area known for its picturesque landscapes and numerous bodies of water, including creeks, lakes, and reservoirs. While Santa Rosa is not particularly famous for large rivers, it is home to several smaller water sources that offer a variety of outdoor activities, including swimming. The Russian River, which runs through the area, is one of the primary water bodies people turn to for recreational fun. During the summer months, the water temperature in the Russian River typically ranges from 68°F (20°C) to 75°F (24°C). These temperatures are ideal for swimming, as they are cool enough to provide relief from the area's hot summer temperatures, which often reach the 90s°F (32°C) or higher.
However, despite the relatively comfortable water temperatures, swimming in the Russian River comes with some considerations. While the water is generally safe for short swims, some areas can have strong currents, and the river can become quite crowded during the peak summer months. There are designated swimming holes in popular spots like Johnson's Beach and Steelhead Beach, where people can enjoy a more relaxed swim, but it's important to be cautious of the water's flow and conditions.
In addition to the Russian River, Santa Rosa has access to other recreational areas like Spring Lake Regional Park. Spring Lake offers a large, peaceful environment with calm waters, making it more suitable for family-friendly swimming and picnicking. The water temperature in Spring Lake typically ranges from 70°F (21°C) to 75°F (24°C) during the summer months, making it an ideal spot for swimming, kayaking, and paddleboarding. In the cooler months, the water temperature in both the river and lakes drops to about 50°F (10°C) to 60°F (15°C), making swimming less appealing for most people. However, with public pools in the city maintaining temperatures of around 78°F (26°C) to 82°F (28°C), Santa Rosa offers year-round opportunities for a more comfortable swim.