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Willow Reservoir

Willow Reservoir Current Water Temperature and Forecast

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

70°F

TODAY

70°F

YESTERDAY

69°F

A WEEK AGO

As of today, the minimum water temperature in the Willow Reservoir ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

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 Willow Reservoir Over the Last 30 Days

Today the water temperature in Willow Reservoir is lower than the same day in previous years. The water temperature range here in July is from 64°F to 81°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 Willow 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
Jul 769°F73°F
Jul 869°F73°F
Jul 970°F73°F
Jul 1070°F73°F
Jul 1170°F73°F
Jul 1270°F73°F
Jul 1370°F73°F
Jul 1470°F73°F
Jul 1573°F70°F
Jul 1673°F71°F
Jul 1773°F71°F
Jul 1873°F71°F
Jul 1973°F71°F
Jul 2073°F71°F
Jul 2173°F71°F
Jul 2273°F71°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 Willow Reservoir by Month

January

MinimumAverageMaximum
32°F33°F37°F

February

MinimumAverageMaximum
32°F33°F37°F

March

MinimumAverageMaximum
32°F33°F37°F

April

MinimumAverageMaximum
34°F39°F43°F

May

MinimumAverageMaximum
45°F54°F63°F

June

MinimumAverageMaximum
59°F64°F70°F

July

MinimumAverageMaximum
64°F73°F81°F

August

MinimumAverageMaximum
77°F81°F86°F

September

MinimumAverageMaximum
57°F61°F66°F

October

MinimumAverageMaximum
48°F53°F57°F

November

MinimumAverageMaximum
39°F43°F48°F

December

MinimumAverageMaximum
32°F32°F36°F

Monthly Water Temperature Histogram for Willow Reservoir

Willow Reservoir Weather

JULY 15

63°F / 84°F
moderate drizzle

rain: 44% | wind: 12 mph

JULY 16

52°F / 75°F
moderate rain showers

rain: 49% | wind: 11 mph

JULY 17

50°F / 73°F
overcast

rain: 37% | wind: 8 mph

JULY 18

52°F / 66°F
light drizzle

rain: 16% | wind: 8 mph

Water Temperature in Willow Reservoir: General Trends and Swimming Opportunities

Willow Reservoir is located in the state of Wisconsin, in the county of Oneida, at an elevation of 1519 feet (463 meters) above sea level.

Willow Reservoir is a medium lake. Its surface area is 7.6 sq mi (19.8 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Willow 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 50°F (10°C). The months when the average water temperature in Willow Reservoir exceeds 68 degrees Fahrenheit (20°C) are July and August.

The nearest cities ans towns to Willow Reservoir are: Lac du Flambeau, Tomahawk, Phillips, Rhinelander, Park Falls in Wisconsin.

Geographical Location of Willow Reservoir

Frequently Asked Questions About Willow Reservoir and its Water Temperatures

What is the current water temperature in Willow Reservoir?

The water temperature today in Willow Reservoir is 70°F (21.2°C).

What is the water temperature in Willow Reservoir during the summer months?

The average water temperature in Willow Reservoir during the summer months is typically between 66°F to 81°F (19°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 Willow Reservoir in May?

The average water temperature in Willow Reservoir in May ranges from 52°F to 61°F (11°C to 16°C).

What is the water temperature in Willow Reservoir in September?

The average water temperature in Willow Reservoir in September is typically between 57°F to 66°F (14°C to 19°C).

Where is Willow Reservoir located?

Willow Reservoir is located in the United States in the state of Wisconsin, in the county of Oneida, at an elevation of 1519 feet (463 meters) above sea level. The surface area of the lake is 7.626 sq mi (19.75 sq km).

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

Yes, it's possible to swim in Willow Reservoir, Wisconsin. The accessibility and facilities would depend on local regulations and may require a permit or adherence to designated swimming areas.

What are the coordinates of Willow Reservoir?

Willow Reservoir is located at coordinates 45.7240°N 89.8950°W.

Is Lake Willow Reservoir a popular vacation spot among Americans?

Willow Reservoir is among the top 1,000 most popular lakes in the United States, which is impressive considering there are tens of thousands of lakes in the country.