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Lake McDonald

Lake McDonald Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lake McDonald, 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

35°F

TODAY

35°F

YESTERDAY

34°F

A WEEK AGO

As of today, the minimum water temperature in the Lake McDonald ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.

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 Lake McDonald Over the Last 30 Days

Today the water temperature in Lake McDonald is lower than the same day in previous years. The water temperature range here in February is from 32°F to 41°F. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for Lake McDonald 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

DateCurrentAverageForecast
Feb 1634°F37°F
Feb 1734°F37°F
Feb 1834°F37°F
Feb 1935°F37°F
Feb 2035°F37°F
Feb 2135°F37°F
Feb 2235°F37°F
Feb 2335°F37°F
Feb 2437°F35°F
Feb 2537°F35°F
Feb 2637°F35°F
Feb 2737°F35°F
Feb 2837°F36°F
Mar 138°F36°F
Mar 238°F36°F
Mar 338°F36°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Lake McDonald by Month

January

MinimumAverageMaximum
32°F34°F39°F

February

MinimumAverageMaximum
32°F37°F41°F

March

MinimumAverageMaximum
34°F38°F43°F

April

MinimumAverageMaximum
34°F39°F43°F

May

MinimumAverageMaximum
37°F41°F45°F

June

MinimumAverageMaximum
55°F60°F64°F

July

MinimumAverageMaximum
61°F66°F70°F

August

MinimumAverageMaximum
68°F72°F77°F

September

MinimumAverageMaximum
59°F64°F68°F

October

MinimumAverageMaximum
50°F55°F59°F

November

MinimumAverageMaximum
39°F43°F48°F

December

MinimumAverageMaximum
32°F36°F41°F

Monthly Water Temperature Histogram for Lake McDonald

Known Beaches in the Area of Lake McDonald?

Lake Mcdonald

Lake Mcdonald is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Lake McDonald. There is parking. There are restrooms. There are cafés. Lake Mcdonald is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Village Inn At Apgar

Village Inn At Apgar is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Lake McDonald. There is parking. There are restrooms. There are cafés. Village Inn At Apgar is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Apgar Campground

Apgar Campground is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Lake McDonald. There is parking. There are restrooms. Apgar Campground is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Avalanche Lake

Avalanche Lake is a 3-stars sandy beach, located in a 10 km (6 miles) radius of Lake McDonald. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Lake McDonald Weather

FEBRUARY 23

32°F / 41°F
moderate snow fall

rain: 90% | wind: 9 mph

FEBRUARY 24

34°F / 39°F
slight rain

rain: 82% | wind: 14 mph

FEBRUARY 25

32°F / 37°F
moderate snow fall

rain: 75% | wind: 17 mph

FEBRUARY 26

21°F / 36°F
overcast

rain: 50% | wind: 4 mph

FEBRUARY 27

25°F / 34°F
overcast

rain: 7% | wind: 4 mph

Water Temperature in Lake McDonald: General Trends and Swimming Opportunities

Lake McDonald is located in the state of Montana, in the county of Flathead, at an elevation of 3149 feet (960 meters) above sea level.

Lake McDonald is a medium lake. Its surface area is 10.7 sq mi (27.8 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Lake McDonald varies throughout the year, ranging from 32°F (0°C) in January to 77°F (25°C) in August. The average annual water temperature of the lake is 48°F (9°C). The average monthly water temperature in Lake McDonald exceeds 68 degrees Fahrenheit (20°C) only in August.

The nearest cities ans towns to Lake McDonald are: Columbia Falls, Whitefish, Evergreen in Montana.

Geographical Location of Lake McDonald

Frequently Asked Questions About Lake McDonald and its Water Temperatures

What is the current water temperature in Lake McDonald?

The water temperature today in Lake McDonald is 35°F (1.5°C).

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

The average water temperature in Lake McDonald during the summer months is typically between 60°F to 72°F (16°C to 22°C), and it can reach up to 77°F (25°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lake McDonald in May?

The average water temperature in Lake McDonald in May ranges from 37°F to 45°F (3°C to 7°C).

What is the water temperature in Lake McDonald in September?

The average water temperature in Lake McDonald in September is typically between 59°F to 68°F (15°C to 20°C).

Where is Lake McDonald located?

Lake McDonald is located in the United States in the state of Montana, in the county of Flathead, at an elevation of 3149 feet (960 meters) above sea level. The surface area of the lake is 10.738 sq mi (27.81 sq km).

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

Yes, it is possible to swim in Lake McDonald, Montana. However, the water can be extremely cold, particularly outside of the summer months, so casual swimming is limited.

What are the coordinates of Lake McDonald?

Lake McDonald is located at coordinates 48.5840°N 113.9190°W.

Is Lake Lake McDonald a popular vacation spot among Americans?

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

What species of fish can be found in Lake McDonald?

Lake McDonald is home to fish species such as Bull trout (best caught in Fall), Cutthroat trout (Spring, Fall), Lake trout (Spring, Fall), Mountain whitefish (Fall, Winter), Longnose sucker (Spring, Fall), White sucker (Spring).