Search for cities, countries, lakes and rivers

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

43°F

TODAY

43°F

YESTERDAY

43°F

A WEEK AGO

As of today, the minimum water temperature in the Fox River ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.

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 February is from 37°F to 48°F. The water temperature has decreased over the past 7 days but has increased over the past month.

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
Feb 1643°F42°F
Feb 1743°F42°F
Feb 1842°F42°F
Feb 1942°F42°F
Feb 2042°F42°F
Feb 2142°F42°F
Feb 2243°F42°F
Feb 2343°F42°F
Feb 2442°F43°F
Feb 2542°F43°F
Feb 2642°F42°F
Feb 2742°F42°F
Feb 2842°F42°F
Mar 144°F43°F
Mar 244°F43°F
Mar 344°F43°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 Fox River by Month

January

MinimumAverageMaximum
37°F40°F48°F

February

MinimumAverageMaximum
37°F42°F48°F

March

MinimumAverageMaximum
37°F44°F52°F

April

MinimumAverageMaximum
41°F50°F61°F

May

MinimumAverageMaximum
46°F56°F70°F

June

MinimumAverageMaximum
57°F65°F72°F

July

MinimumAverageMaximum
63°F68°F75°F

August

MinimumAverageMaximum
63°F71°F73°F

September

MinimumAverageMaximum
52°F64°F66°F

October

MinimumAverageMaximum
46°F56°F61°F

November

MinimumAverageMaximum
37°F47°F61°F

December

MinimumAverageMaximum
37°F40°F46°F

Monthly Water Temperature Histogram for Fox River

Water Temperature in Cities and Towns on Fox River

United States (Wisconsin)
38°F
United States (Illinois)
42°F
Waterford
United States (Wisconsin)
35°F
McHenry
United States (Illinois)
36°F
United States (Illinois)
40°F
Oswego
United States (Illinois)
39°F
Burlington
United States (Wisconsin)
34°F
Sheridan
United States (Illinois)
35°F

Fox River Weather

FEBRUARY 23

19°F / 41°F
overcast

rain: 1% | wind: 10 mph

FEBRUARY 24

32°F / 50°F
overcast

rain: 4% | wind: 15 mph

FEBRUARY 25

36°F / 43°F
overcast

rain: 22% | wind: 9 mph

FEBRUARY 26

34°F / 48°F
light drizzle

rain: 44% | wind: 16 mph

FEBRUARY 27

27°F / 41°F
overcast

rain: 44% | wind: 17 mph

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 34°F (1.3°C) to 42°F (5.8°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).