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Klamath River

Klamath River Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Klamath River, 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 Water Temperature in Klamath River

9.2°C

TODAY

9.0°C

YESTERDAY

8.7°C

A WEEK AGO

As of today, the minimum water temperature in the Klamath River ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.

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 Klamath River Over the Last 30 Days

Today the water temperature in Klamath River is lower than the same day in previous years. The water temperature range here in April is from 5°C to 16°C. 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 Klamath River 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 118.7°C9.9°C
Apr 128.9°C9.9°C
Apr 139.2°C9.9°C
Apr 148.9°C9.9°C
Apr 159.0°C9.9°C
Apr 168.8°C9.9°C
Apr 179.0°C9.9°C
Apr 189.2°C9.9°C
Apr 199.9°C9.2°C
Apr 209.9°C9.2°C
Apr 219.9°C9.2°C
Apr 229.9°C9.2°C
Apr 239.9°C9.2°C
Apr 249.9°C9.2°C
Apr 259.9°C9.2°C
Apr 269.9°C9.2°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 Klamath River by Month

January

MinimumAverageMaximum
3°C4.2°C9°C

February

MinimumAverageMaximum
3°C5.3°C9°C

March

MinimumAverageMaximum
3°C6.7°C11°C

April

MinimumAverageMaximum
5°C9.9°C16°C

May

MinimumAverageMaximum
8°C13.4°C21°C

June

MinimumAverageMaximum
14°C18.5°C22°C

July

MinimumAverageMaximum
17°C20°C24°C

August

MinimumAverageMaximum
17°C21.4°C23°C

September

MinimumAverageMaximum
11°C17.6°C19°C

October

MinimumAverageMaximum
8°C13.3°C16°C

November

MinimumAverageMaximum
3°C8.1°C16°C

December

MinimumAverageMaximum
3°C4.7°C8°C

Monthly Water Temperature Histogram for Klamath River

Water Temperature in Cities and Towns on Klamath River

Crescent City
United States (California)
10.7°C
Klamath Falls
United States (Oregon)
11.3°C

Klamath River Weather

APRIL 18

3°C / 21°C
clear sky

rain: 0% | wind: 22 km/h

APRIL 19

5°C / 22°C
clear sky

rain: 0% | wind: 17 km/h

APRIL 20

4°C / 21°C
clear sky

rain: 2% | wind: 23 km/h

APRIL 21

4°C / 21°C
overcast

rain: 2% | wind: 23 km/h

Water Temperature in Klamath River: General Trends and Swimming Opportunities

Source Lake Ewauna
• location Klamath Falls, Oregon
Mouth Pacific Ocean
• location Requa, California
Length 257 mi (414 km)

The Klamath River, stretching through southern Oregon and northern California, is a striking and ecologically significant river known for its rugged beauty. Water temperatures in the Klamath River vary with the seasons and the section of the river. In colder months, temperatures often range from 35°F to 50°F (2°C to 10°C), while summer months see a rise to 60°F to 70°F (15°C to 21°C), particularly in calmer, sunlit stretches. This seasonal warmth makes certain areas more inviting for recreational activities during the summer.

Swimming in the Klamath River is possible in some sections, especially during the warmer months, but it is often secondary to other activities like fishing, rafting, and kayaking. The river is known for its strong currents in certain areas, so swimmers should exercise caution and stick to calmer sections or designated swimming spots. The natural beauty of the surrounding landscape and the diversity of wildlife make the Klamath a favorite destination for outdoor enthusiasts, offering opportunities to enjoy the water and immerse yourself in the region’s pristine environment.

Geographical Location of Klamath River

Frequently Asked Questions About Klamath River and its Water Temperatures

What is the current water temperature in Klamath River?

The water temperature today in Klamath River ranges from 51°F (10.7°C) to 52°F (11.3°C).

What is the water temperature in Klamath River during the summer months?

The average water temperature in Klamath River during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Klamath River in May?

The average water temperature in Klamath River in May ranges from 46°F to 70°F (8°C to 21°C).

What is the water temperature in Klamath River in September?

The average water temperature in Klamath River in September is typically between 52°F to 66°F (11°C to 19°C).

Where does Klamath River flow?

Klamath River flows through United States (California, Oregon).

Is it possible to swim in the Klamath River?

Yes, it is possible to swim in the Klamath River. However, it's essential to be cautious due to potential hazards like strong currents and cold water temperatures.