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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

56°F

TODAY

56°F

YESTERDAY

58°F

A WEEK AGO

As of today, the minimum water temperature in the Hells Canyon Reservoir ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

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 October is from 55°F to 66°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
Oct 1558°F61°F
Oct 1658°F61°F
Oct 1758°F61°F
Oct 1857°F61°F
Oct 1956°F61°F
Oct 2057°F61°F
Oct 2156°F61°F
Oct 2256°F61°F
Oct 2361°F56°F
Oct 2461°F57°F
Oct 2561°F57°F
Oct 2661°F57°F
Oct 2761°F57°F
Oct 2861°F57°F
Oct 2961°F58°F
Oct 3061°F58°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
46°F58°F70°F

June

MinimumAverageMaximum
55°F64°F72°F

July

MinimumAverageMaximum
63°F73°F84°F

August

MinimumAverageMaximum
70°F78°F86°F

September

MinimumAverageMaximum
66°F73°F79°F

October

MinimumAverageMaximum
55°F61°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

OCTOBER 23

46°F / 66°F
overcast

rain: 2% | wind: 6 mph

OCTOBER 24

50°F / 72°F
overcast

rain: 22% | wind: 9 mph

OCTOBER 25

48°F / 64°F
moderate drizzle

rain: 74% | wind: 6 mph

OCTOBER 26

37°F / 52°F
moderate drizzle

rain: 73% | wind: 11 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 56°F (13.3°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).