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Rock River
Rock River Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Rock 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 Rock River
8.3°C
TODAY
8.4°C
YESTERDAY
6.9°C
A WEEK AGO
As of today, the minimum water temperature in the Rock River ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing 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 Rock River Over the Last 30 Days
Today the water temperature in Rock River is lower than the same day in previous years. The water temperature range here in May is from 7°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 Rock 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Apr 29 | 6.9°C | 9.9°C | |
| Apr 30 | 6.9°C | 9.9°C | |
| May 1 | 6.9°C | 14.0°C | |
| May 2 | 6.9°C | 14.0°C | |
| May 3 | 7.5°C | 14.0°C | |
| May 4 | 8.3°C | 14.0°C | |
| May 5 | 8.4°C | 14.0°C | |
| May 6 | 8.3°C | 14.0°C | |
| May 7 | 14.0°C | 8.7°C | |
| May 8 | 14.0°C | 9.0°C | |
| May 9 | 14.0°C | 9.3°C | |
| May 10 | 14.0°C | 9.6°C | |
| May 11 | 14.0°C | 9.9°C | |
| May 12 | 14.0°C | 10.2°C | |
| May 13 | 14.0°C | 10.4°C | |
| May 14 | 14.0°C | 10.6°C |
Water Temperature Ranges in Rock River by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 2°C | 5.5°C | 9°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 2°C | 5.5°C | 9°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 2°C | 6.5°C | 11°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 5°C | 9.9°C | 16°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 14°C | 21°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 18.5°C | 22°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20°C | 24°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 21.4°C | 23°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 17.6°C | 19°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 13.3°C | 16°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 8.1°C | 16°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 4.7°C | 8°C |
Monthly Water Temperature Histogram for Rock River
Water Temperature in Cities and Towns on Rock River
Rock River Weather
MAY 7
11°C / 19°C
light drizzlerain: 10% | wind: 23 km/h
MAY 8
7°C / 15°C
overcastrain: 10% | wind: 24 km/h
MAY 9
4°C / 18°C
overcastrain: 2% | wind: 14 km/h
Water Temperature in Rock River: General Trends and Swimming Opportunities
Source:
• location Horicon Marsh north of Horicon, Wisconsin
Mouth:
• location Confluence with the Mississippi River at Rock Island, Illinois
• elevation 551 ft (168 m)
Length 299 mi (481 km)
The Rock River, flowing through Wisconsin and Illinois, offers a range of opportunities for outdoor activities, including swimming. The water temperature in the river can fluctuate depending on the season, with summer months typically bringing the warmest temperatures. During peak summer, the water can reach temperatures between 70°F and 80°F (21°C to 27°C), making it suitable for swimming in several stretches of the river. However, it's important to note that the water temperature can be cooler in spring and fall, especially in upstream areas where the river's flow is influenced by nearby cold-water springs.
Swimmers can enjoy the Rock River in designated parks and recreational areas, where the river is often calmer and more accessible for safe swimming. These areas are typically monitored for water quality, and local authorities may provide information on the safety of the water for swimming. However, due to the river's varying depths and currents, swimmers should be cautious, particularly in regions with faster-moving water or where the river widens. As with all natural bodies of water, it's essential to be aware of potential hazards and to check for any advisories before swimming.
Geographical Location of Rock River
Frequently Asked Questions About Rock River and its Water Temperatures
What is the current water temperature in Rock River?
The water temperature today in Rock River ranges from 48°F (9.1°C) to 61°F (16.0°C).
What is the water temperature in Rock River during the summer months?
The average water temperature in Rock 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 Rock River in May?
The average water temperature in Rock River in May ranges from 46°F to 70°F (8°C to 21°C).
What is the water temperature in Rock River in September?
The average water temperature in Rock River in September is typically between 52°F to 66°F (11°C to 19°C).
Where does Rock River flow?
Rock River flows through United States (Wisconsin).
Is it possible to swim in the Rock River?
Yes, it is possible to swim in the Rock River. However, safety precautions should be taken due to possible strong currents and potential water pollutants.
What major cities are located on Rock River?
Cities along the course of Rock River include Janesville (Wisconsin), Rockford (Illinois).