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Janesville
Water Temperature in Janesville in Rock River: Current and Forecast
On this page, you will find comprehensive information about the water temperature in Janesville 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 Janesville
56°F
TODAY
57°F
YESTERDAY
49°F
A WEEK AGO
As of today, the minimum water temperature in Janesville ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.
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 in Janesville Over the Last 30 Days
Today the water temperature in Janesville is higher than the same day in previous years. The water temperature range here in May is from 46°F to 70°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 Janesville 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.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Apr 29 | 49°F | 50°F | |
| Apr 30 | 50°F | 50°F | |
| May 1 | 50°F | 56°F | |
| May 2 | 51°F | 56°F | |
| May 3 | 53°F | 56°F | |
| May 4 | 59°F | 56°F | |
| May 5 | 57°F | 56°F | |
| May 6 | 56°F | 56°F | |
| May 7 | 56°F | 56°F | |
| May 8 | 56°F | 56°F | |
| May 9 | 56°F | 56°F | |
| May 10 | 56°F | 56°F | |
| May 11 | 56°F | 56°F | |
| May 12 | 56°F | 56°F | |
| May 13 | 56°F | 56°F | |
| May 14 | 56°F | 56°F |
Water Temperature Ranges in Janesville by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 42°F | 48°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 42°F | 48°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 44°F | 52°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 41°F | 50°F | 61°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 56°F | 70°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 65°F | 72°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 68°F | 75°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 71°F | 73°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 52°F | 64°F | 66°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 56°F | 61°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 47°F | 61°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 40°F | 46°F |
Monthly Water Temperature Histogram for Rock River in Janesville
Known Beaches in the Area of Janesville?
Lions Beach
Lions Beach is a 1-stars sandy beach, located in a 2 km (1 miles) radius of Janesville.
Janesville Weather
MAY 7
52°F / 70°F
moderate drizzlerain: 14% | wind: 15 mph
MAY 8
46°F / 61°F
overcastrain: 14% | wind: 16 mph
MAY 9
41°F / 64°F
overcastrain: 3% | wind: 11 mph
Water Temperature in Janesville: General Trends and Swimming Opportunities
Janesville, Wisconsin, is located along the Rock River, which flows through the city and offers a variety of recreational opportunities. The water temperature in the Rock River can vary throughout the year, with summer temperatures generally ranging from 60°F to 70°F (16°C to 21°C). Early in the summer, the river tends to be a bit cooler due to spring runoff, but as the season progresses, the water warms up, making it more comfortable for activities like canoeing, kayaking, and fishing.
Swimming in the Rock River in Janesville isn't as common due to the relatively cool temperatures and the river's currents. While some sections of the river have slower-moving water and are suitable for wading or brief dips, the overall water temperature is often too cold for extended swimming. The river's flow can also present challenges, particularly in areas with stronger currents, making it less ideal for casual swimming.
For those seeking a more traditional swimming experience, Janesville offers access to local public pools where the water temperature is kept between 78°F and 82°F (25°C to 28°C). Additionally, nearby lakes, such as the Lake Koshkonong to the north, provide warmer water conditions for swimming, particularly later in the summer when the water in these larger bodies tends to warm up more quickly. While the Rock River is better suited for boating and fishing, it remains a scenic and peaceful spot for outdoor recreation.
Geographical Location of Janesville
Nearby Cities
Frequently Asked Questions About Janesville and its Water Temperatures
What is the current water temperature in Janesville?
The water temperature today in Janesville is 56°F (13.6°C).
What is the water temperature in Janesville during the summer months?
The average water temperature in Janesville 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 Janesville in May?
The average water temperature in Janesville in May ranges from 46°F to 70°F (8°C to 21°C).
What is the water temperature in Janesville in September?
The average water temperature in Janesville in September is typically between 52°F to 66°F (11°C to 19°C).
Is it possible to swim in the Rock River in Janesville, and what are the available options for doing so?
Yes, it's possible to swim in the Rock River in Janesville, with options including public access points like Traxler Park and private properties by the river. However, remember to always respect private properties and safety guidelines.