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Crater Lake

Crater Lake Current Water Temperature and Forecast

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

65°F

TODAY

65°F

YESTERDAY

70°F

A WEEK AGO

As of today, the minimum water temperature in the Crater 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 Crater Lake Over the Last 30 Days

Today the water temperature in Crater Lake is lower than the same day in previous years. The water temperature range here in June is from 57°F to 73°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Crater 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

DateCurrentAverageForecast
Jun 2270°F65°F
Jun 2359°F65°F
Jun 2459°F65°F
Jun 2565°F65°F
Jun 2664°F65°F
Jun 2764°F65°F
Jun 2865°F65°F
Jun 2965°F65°F
Jun 3065°F65°F
Jul 174°F66°F
Jul 274°F66°F
Jul 374°F67°F
Jul 474°F67°F
Jul 574°F68°F
Jul 674°F68°F
Jul 774°F68°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 Crater Lake by Month

January

MinimumAverageMaximum
32°F35°F39°F

February

MinimumAverageMaximum
32°F33°F37°F

March

MinimumAverageMaximum
34°F39°F45°F

April

MinimumAverageMaximum
43°F51°F59°F

May

MinimumAverageMaximum
48°F59°F70°F

June

MinimumAverageMaximum
57°F65°F73°F

July

MinimumAverageMaximum
70°F74°F79°F

August

MinimumAverageMaximum
73°F77°F81°F

September

MinimumAverageMaximum
64°F68°F72°F

October

MinimumAverageMaximum
50°F54°F59°F

November

MinimumAverageMaximum
39°F44°F48°F

December

MinimumAverageMaximum
32°F35°F39°F

Monthly Water Temperature Histogram for Crater Lake

Crater Lake Weather

JUNE 30

55°F / 88°F
overcast

rain: 27% | wind: 12 mph

JULY 1

54°F / 84°F
light drizzle

rain: 35% | wind: 14 mph

JULY 2

45°F / 73°F
overcast

rain: 16% | wind: 11 mph

JULY 3

41°F / 72°F
clear sky

rain: 4% | wind: 12 mph

Water Temperature in Crater Lake: General Trends and Swimming Opportunities

Crater Lake is located in the state of Oregon, in the county of Klamath, at an elevation of 6177 feet (1883 meters) above sea level.

Crater Lake is a medium lake. Its surface area is 20.6 sq mi (53.5 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Crater Lake varies throughout the year, ranging from 32°F (0°C) in January to 81°F (27°C) in August. The average annual water temperature of the lake is 54°F (12°C). The months when the average water temperature in Crater Lake exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

Geographical Location of Crater Lake

Frequently Asked Questions About Crater Lake and its Water Temperatures

What is the current water temperature in Crater Lake?

The water temperature today in Crater Lake is 65°F (18.4°C).

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

The average water temperature in Crater Lake during the summer months is typically between 69°F to 77°F (21°C to 25°C), and it can reach up to 81°F (27°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Crater Lake in May?

The average water temperature in Crater Lake in May ranges from 61°F to 70°F (16°C to 21°C).

What is the water temperature in Crater Lake in September?

The average water temperature in Crater Lake in September is typically between 64°F to 72°F (18°C to 22°C).

Where is Crater Lake located?

Crater Lake is located in the United States in the state of Oregon, in the county of Klamath, at an elevation of 6177 feet (1883 meters) above sea level. The surface area of the lake is 20.643 sq mi (53.46 sq km).

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

Yes, it is possible to swim in Crater Lake, Oregon, but only from the shore at Cleetwood Cove or while boat touring during summer months due to its deep and cold waters.

What are the coordinates of Crater Lake?

Crater Lake is located at coordinates 42.9420°N 122.0990°W.

Is Lake Crater Lake a popular vacation spot among Americans?

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

What species of fish can be found in Crater Lake?

Crater Lake is home to fish species such as Rainbow trout (best caught in Spring, Fall).