Corvallis — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Corvallis, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Corvallis today is 17.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 14 | 20.6°C | 17.6°C | |
| SEP 15 | 17.1°C | 17.6°C | |
| SEP 16 | 17.2°C | 17.6°C | |
| SEP 17 | 16.9°C | 17.6°C | |
| SEP 18 | 16.9°C | 17.6°C | |
| SEP 19 | 17.7°C | 17.6°C | |
| SEP 20 | 17.8°C | 17.6°C | |
| SEP 22 | 17.6°C | 17.4°C | |
| SEP 23 | 17.6°C | 17.4°C | |
| SEP 24 | 17.6°C | 17.4°C | |
| SEP 25 | 17.6°C | 17.4°C | |
| SEP 26 | 17.6°C | 17.5°C | |
| SEP 27 | 17.6°C | 17.5°C | |
| SEP 28 | 17.6°C | 17.5°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 | 4°C | 9°C |
| February | 3°C | 5°C | 9°C |
| March | 3°C | 7°C | 11°C |
| April | 5°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 15°C | 20°C | 24°C |
| August | 17°C | 21°C | 23°C |
| September | 11°C | 18°C | 19°C |
| October | 8°C | 13°C | 16°C |
| November | 3°C | 8°C | 16°C |
| December | 3°C | 7°C | 12°C |
Corvallis: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
In Corvallis, Oregon, the Willamette River offers a peaceful setting for outdoor enthusiasts, but swimming in the river is not very common. During the warmer summer months, the water temperature typically ranges from 65°F to 75°F (18°C to 24°C), which can feel refreshing but might not be warm enough for extended swimming sessions for some people. The temperature of the river cools significantly in the fall and winter, with averages dipping to around 40°F to 45°F (4°C to 7°C), making it uncomfortable and unsafe for swimming.
While the river is known for activities like kayaking, fishing, and boating, the conditions for swimming aren't ideal. The water can be murky, particularly after heavy rains, which can lower water quality and visibility. Additionally, strong currents, especially in some stretches of the river near Corvallis, can make swimming dangerous, even for experienced swimmers. These factors contribute to a general recommendation for caution or avoidance of swimming in the Willamette River at this location.
For those looking for safer swimming opportunities, there are nearby parks and lakes that offer designated swimming areas, where water quality is maintained, and the conditions are more controlled. The city of Corvallis also has community pools for those who prefer to swim in a safer, cleaner environment. While the Willamette River is beautiful and a key feature of the city, it is better enjoyed for recreational activities like hiking, boating, or simply relaxing along its banks.