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Kootenay Lake

Kootenay Lake Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Kootenay Lake, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Lake Water Temperature Information

19.1°C

TODAY

18.9°C

YESTERDAY

19.1°C

A WEEK AGO

As of today, the minimum water temperature in the Kootenay Lake ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Kootenay Lake Over the Last 30 Days

Today the water temperature in Kootenay Lake is higher than the same day in previous years. The water temperature range here in August is from 16°C to 21°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Kootenay Lake are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Daily Water Temperature Chart

Date	Current	Average	Forecast
Aug 16	19.1°C	18.3°C
Aug 17	19.1°C	18.3°C
Aug 18	19.1°C	18.3°C
Aug 19	18.9°C	18.3°C
Aug 20	18.9°C	18.3°C
Aug 21	18.9°C	18.3°C
Aug 22	18.9°C	18.3°C
Aug 23	19.1°C	18.3°C
Aug 24		18.3°C	19.0°C
Aug 25		18.3°C	18.9°C
Aug 26		18.3°C	18.8°C
Aug 27		18.3°C	18.8°C
Aug 28		18.3°C	18.8°C
Aug 29		18.3°C	18.8°C
Aug 30		18.3°C	18.8°C
Aug 31		18.3°C	18.8°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Water Temperature Ranges in Kootenay Lake by Month

January

Minimum	Average	Maximum
2°C	5°C	8°C

February

Minimum	Average	Maximum
1°C	4°C	7°C

March

Minimum	Average	Maximum
2°C	4.4°C	7°C

April

Minimum	Average	Maximum
1°C	4°C	7°C

May

Minimum	Average	Maximum
0°C	6.5°C	13°C

June

Minimum	Average	Maximum
8°C	12°C	16°C

July

Minimum	Average	Maximum
14°C	16.7°C	19°C

August

Minimum	Average	Maximum
16°C	18.3°C	21°C

September

Minimum	Average	Maximum
13°C	15°C	17°C

October

Minimum	Average	Maximum
6°C	8.3°C	11°C

November

Minimum	Average	Maximum
4°C	6.7°C	9°C

December

Minimum	Average	Maximum
4°C	6.1°C	9°C

Monthly Water Temperature Histogram for Kootenay Lake

Kootenay Lake Weather

AUGUST 24

14°C / 34°C

overcast

rain: 0% | wind: 4 km/h

AUGUST 25

15°C / 36°C

overcast

rain: 1% | wind: 5 km/h

AUGUST 26

16°C / 37°C

overcast

rain: 2% | wind: 9 km/h

AUGUST 27

14°C / 35°C

moderate drizzle

rain: 3% | wind: 11 km/h

Water Temperature in Kootenay Lake: General Trends and Swimming Opportunities

Kootenay Lake is located in the state of Idaho, in the county of Bonner, at an elevation of 1742 feet (531 meters) above sea level.

Kootenay Lake is a large lake. Its surface area is 163 sq mi (423 sq km). Lakes of this size can serve as important regional resources, providing drinking water and fish stocks.

The water temperature in Kootenay Lake varies throughout the year, ranging from 32°F (0°C) in May to 70°F (21°C) in August. The average annual water temperature of the lake is 46°F (8°C). In no month of the year does the average water temperature in Kootenay Lake exceed 68 degrees Fahrenheit (20°C).

Geographical Location of Kootenay Lake

Nearby Lakes

Wheeler Lake

Frequently Asked Questions About Kootenay Lake and its Water Temperatures

What is the current water temperature in Kootenay Lake?

The water temperature today in Kootenay Lake is 66°F (19.1°C).

What is the water temperature in Kootenay Lake during the summer months?

The average water temperature in Kootenay Lake during the summer months is typically between 52°F to 65°F (11°C to 18°C), and it can reach up to 70°F (21°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Kootenay Lake in May?

The average water temperature in Kootenay Lake in May ranges from 32°F to 41°F (0°C to 5°C).

What is the water temperature in Kootenay Lake in September?

The average water temperature in Kootenay Lake in September is typically between 55°F to 63°F (13°C to 17°C).

Where is Kootenay Lake located?

Kootenay Lake is located in the United States in the state of Idaho, in the county of Bonner, at an elevation of 1742 feet (531 meters) above sea level. The surface area of the lake is 163.319 sq mi (423.00 sq km).

Is it possible to swim in Kootenay Lake and what are the possibilities for this?

Yes, it is possible to swim in Kootenay Lake, Idaho. The possibilities for this include public beaches, boating areas, and identified swimming zones.

What are the coordinates of Kootenay Lake?

Kootenay Lake is located at coordinates 49.7140°N 116.8870°W.

Is Lake Kootenay Lake a popular vacation spot among Americans?

Kootenay Lake enjoys local popularity among the residents of State Idaho, and nationally, it ranks in the top 10 percent of all lakes in the country.