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Hells Canyon Reservoir

Hells Canyon Reservoir Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Hells Canyon Reservoir, 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

45°F

TODAY

44°F

YESTERDAY

46°F

A WEEK AGO

As of today, the minimum water temperature in the Hells Canyon Reservoir ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.

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 Hells Canyon Reservoir Over the Last 30 Days

Today the water temperature in Hells Canyon Reservoir is lower than the same day in previous years. The water temperature range here in April is from 43°F to 55°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Hells Canyon Reservoir 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
Apr 2246°F49°F
Apr 2345°F49°F
Apr 2445°F49°F
Apr 2545°F49°F
Apr 2645°F49°F
Apr 2744°F49°F
Apr 2844°F49°F
Apr 2945°F49°F
Apr 3049°F45°F
May 165°F46°F
May 265°F47°F
May 365°F49°F
May 465°F50°F
May 565°F51°F
May 665°F51°F
May 765°F52°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 Hells Canyon Reservoir by Month

January

MinimumAverageMaximum
32°F35°F39°F

February

MinimumAverageMaximum
36°F40°F45°F

March

MinimumAverageMaximum
39°F45°F50°F

April

MinimumAverageMaximum
43°F49°F55°F

May

MinimumAverageMaximum
61°F65°F70°F

June

MinimumAverageMaximum
64°F68°F72°F

July

MinimumAverageMaximum
75°F80°F84°F

August

MinimumAverageMaximum
77°F81°F86°F

September

MinimumAverageMaximum
70°F75°F79°F

October

MinimumAverageMaximum
57°F62°F66°F

November

MinimumAverageMaximum
46°F50°F54°F

December

MinimumAverageMaximum
37°F42°F46°F

Monthly Water Temperature Histogram for Hells Canyon Reservoir

Hells Canyon Reservoir Weather

APRIL 30

45°F / 70°F
light drizzle

rain: 51% | wind: 8 mph

MAY 1

46°F / 73°F
partly cloudy

rain: 0% | wind: 9 mph

MAY 2

52°F / 79°F
clear sky

rain: 22% | wind: 10 mph

MAY 3

50°F / 79°F
moderate drizzle

rain: 58% | wind: 7 mph

Water Temperature in Hells Canyon Reservoir: General Trends and Swimming Opportunities

Hells Canyon Reservoir is located in two states, Idaho (county of Adams) and the state of Oregon (counties of Baker, Wallowa), at an elevation of 1676 feet (511 meters) above sea level.

Hells Canyon Reservoir is a small lake. Its surface area is 3.60 sq mi (9.31 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Hells Canyon Reservoir varies throughout the year, ranging from 32°F (0°C) in January to 86°F (30°C) in August. The average annual water temperature of the lake is 57°F (14°C). The months when the average water temperature in Hells Canyon Reservoir exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

The nearest cities ans towns to Hells Canyon Reservoir are: Council in Idaho and Joseph in Oregon.

Geographical Location of Hells Canyon Reservoir

Frequently Asked Questions About Hells Canyon Reservoir and its Water Temperatures

What is the current water temperature in Hells Canyon Reservoir?

The water temperature today in Hells Canyon Reservoir is 45°F (7.0°C).

What is the water temperature in Hells Canyon Reservoir during the summer months?

The average water temperature in Hells Canyon Reservoir during the summer months is typically between 68°F to 81°F (20°C to 27°C), and it can reach up to 86°F (30°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Hells Canyon Reservoir in May?

The average water temperature in Hells Canyon Reservoir in May ranges from 61°F to 70°F (16°C to 21°C).

What is the water temperature in Hells Canyon Reservoir in September?

The average water temperature in Hells Canyon Reservoir in September is typically between 70°F to 79°F (21°C to 26°C).

Where is Hells Canyon Reservoir located?

Hells Canyon Reservoir is located in the United States in two states, Idaho (county of Adams) and the state of Oregon (counties of Baker, Wallowa), at an elevation of 1676 feet (511 meters) above sea level. The surface area of the lake is 3.596 sq mi (9.31 sq km).

Is it possible to swim in Hells Canyon Reservoir and what are the possibilities for this?

Yes, it is possible to swim in Hells Canyon Reservoir, situated in Idaho and Oregon. However, swift currents and cold temperatures due to the mountain runoff can make swimming challenging and potentially dangerous.

What are the coordinates of Hells Canyon Reservoir?

Hells Canyon Reservoir is located at coordinates 45.1060°N 116.7740°W.

Is Lake Hells Canyon Reservoir a popular vacation spot among Americans?

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

What species of fish can be found in Hells Canyon Reservoir?

Hells Canyon Reservoir is home to fish species such as Rainbow trout (best caught in Spring, Fall), Brown trout (Spring, Fall), Chinook salmon (Summer, Fall), Smallmouth bass (Spring, Fall), Largemouth bass (Spring, Fall), Channel catfish (Spring, Summer), Gar (Summer), Bluegill (Spring, Summer).