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Fox River

Fox River Current Water Temperature and Forecast

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

18.3°C

TODAY

19.0°C

YESTERDAY

13.5°C

A WEEK AGO

As of today, the minimum water temperature in the Fox 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 Fox River Over the Last 30 Days

Today the water temperature in Fox River is higher than the same day in previous years. The water temperature range here in May is from 8°C to 21°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 Fox 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 2913.5°C9.9°C
Apr 3013.5°C9.9°C
May 113.3°C13.4°C
May 213.6°C13.4°C
May 314.8°C13.4°C
May 418.1°C13.4°C
May 519.0°C13.4°C
May 618.3°C13.4°C
May 713.4°C18.0°C
May 813.4°C17.7°C
May 913.4°C17.4°C
May 1013.4°C17.2°C
May 1113.4°C17.0°C
May 1213.4°C16.8°C
May 1313.4°C16.6°C
May 1413.4°C16.4°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 Fox 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 Fox River

Water Temperature in Cities and Towns on Fox River

United States (Wisconsin)
11.3°C
United States (Illinois)
19.0°C
Waterford
United States (Wisconsin)
15.3°C
McHenry
United States (Illinois)
15.2°C
United States (Illinois)
12.7°C
Oswego
United States (Illinois)
18.7°C
Burlington
United States (Wisconsin)
14.5°C
Sheridan
United States (Illinois)
18.7°C

Fox River Weather

MAY 7

10°C / 27°C
overcast

rain: 3% | wind: 27 km/h

MAY 8

9°C / 16°C
overcast

rain: 3% | wind: 24 km/h

MAY 9

5°C / 19°C
overcast

rain: 0% | wind: 16 km/h

MAY 10

8°C / 23°C
mainly clear

rain: 6% | wind: 11 km/h

MAY 11

14°C / 26°C
mainly clear

rain: 6% | wind: 9 km/h

MAY 12

15°C / 26°C
overcast

rain: 5% | wind: 13 km/h

Water Temperature in Fox River: General Trends and Swimming Opportunities

Source:
• location 1 mi (1.6 km) southeast of Colgate, Wisconsin
• elevation 942.78 ft (287.36 m)
Mouth:
• location Illinois River at Ottawa, Illinois
• elevation 460.28 ft (140.29 m)
Length 202 mi (325 km)

The Fox River, which runs through Illinois and Wisconsin, is a relatively popular waterway for outdoor activities, especially boating, fishing, and kayaking. The water temperature in the Fox River can fluctuate significantly depending on the season. During the summer months, particularly from June to August, the river water typically warms up to around 70°F to 80°F (21°C to 27°C), making it more comfortable for water activities, including swimming. However, while the warmer temperatures may seem inviting, the river’s current and occasional murky water can make swimming more challenging and less ideal for some.

In the cooler months, especially in early spring and fall, the water temperature in the Fox River can drop to around 50°F to 60°F (10°C to 15°C). The colder temperatures, combined with the faster-moving currents, can make swimming in the river much less appealing and even dangerous in certain areas. Additionally, the river’s flow can vary greatly depending on rainfall and dam operations, so water levels and current speed can change, posing a risk for swimmers.

Although the Fox River may not be the first choice for swimming due to its fluctuating conditions, it is still enjoyed by many for other recreational activities. Kayakers, boaters, and anglers frequently visit the river for its ample fishing spots and scenic views. For those who do wish to swim, it’s best to seek out calmer stretches or find designated swimming areas near parks or public access points where the water is cleaner and safer.

Geographical Location of Fox River

Nearby Rivers

Frequently Asked Questions About Fox River and its Water Temperatures

What is the current water temperature in Fox River?

The water temperature today in Fox River ranges from 52°F (11.3°C) to 66°F (19.0°C).

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

The average water temperature in Fox 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 Fox River in May?

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

What is the water temperature in Fox River in September?

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

Where does Fox River flow?

Fox River flows through United States (Illinois, Wisconsin).

Is it possible to swim in the Fox River?

Yes, it is possible to swim in the Fox River. However, water quality and current safety conditions should always be checked before swimming.

What major cities are located on Fox River?

Cities along the course of Fox River include Aurora (Illinois), Elgin (Illinois), Waukesha (Wisconsin).