Kootenay River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Kootenay River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Kootenay River today is 9.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 |
|---|---|---|---|
| JUN 3 | 9.2°C | 15.9°C | |
| JUN 4 | 9.2°C | 15.9°C | |
| JUN 5 | 9.0°C | 15.9°C | |
| JUN 6 | 9.0°C | 15.9°C | |
| JUN 7 | 9.8°C | 15.9°C | |
| JUN 8 | 9.5°C | 15.9°C | |
| JUN 11 | 15.9°C | 9.9°C | |
| JUN 12 | 15.9°C | 10.2°C | |
| JUN 13 | 15.9°C | 10.5°C | |
| JUN 14 | 15.9°C | 10.9°C | |
| JUN 15 | 15.9°C | 11.2°C | |
| JUN 16 | 15.9°C | 11.5°C | |
| JUN 17 | 15.9°C | 11.8°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 | 0°C | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 0°C | 6°C | 11°C |
| April | 1°C | 9°C | 16°C |
| May | 6°C | 14°C | 21°C |
| June | 9°C | 16°C | 22°C |
| July | 16°C | 20°C | 24°C |
| August | 17°C | 21°C | 23°C |
| September | 11°C | 16°C | 20°C |
| October | 8°C | 13°C | 16°C |
| November | 2°C | 9°C | 16°C |
| December | 1°C | 5°C | 8°C |
Kootenay River: Water Temperature by Location
Kootenay River: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Source South flank of Castle Mountain
• location Mount Hungabee, Kootenay National Park, British Columbia, Canada
Mouth Columbia River
• location Castlegar, British Columbia, Canada
Length 780 km (480 mi)
The Kootenay River, flowing through southeastern British Columbia, northern Idaho, and western Montana, is a stunning river known for its cold, clear waters and picturesque surroundings. Originating in the Canadian Rockies, the river maintains a relatively low water temperature throughout the year due to glacial and mountain runoff. In the summer, water temperatures may rise to 50°F to 60°F (10°C to 16°C) in calmer, sunlit stretches, but the river remains brisk, offering a refreshing escape during hot weather.
Swimming in the Kootenay River is possible, though it is not the primary activity due to its consistently cool temperatures and strong currents in many sections. Some calmer spots, such as areas near Kootenay Lake or quieter river bends, may be suitable for a quick dip or wading. However, the river is more commonly enjoyed for activities like kayaking, canoeing, and fishing, with its pristine waters and rugged surroundings creating a perfect backdrop for outdoor adventures. Whether relaxing along its shores or exploring its flow, the Kootenay River provides a unique and invigorating experience for nature lovers.