Big Arbor Vitae Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Big Arbor Vitae Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Big Arbor Vitae Lake today is 21.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature 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.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 23 | 17.8°C | 18.2°C | |
| JUN 24 | 17.8°C | 18.2°C | |
| JUN 25 | 17.9°C | 18.2°C | |
| JUN 26 | 18.1°C | 18.2°C | |
| JUN 27 | 18.4°C | 18.2°C | |
| JUN 28 | 18.9°C | 18.2°C | |
| JUN 29 | 20.4°C | 18.2°C | |
| JUN 30 | 20.7°C | 18.2°C | |
| JUL 1 | 22.5°C | 21.5°C | |
| JUL 2 | 22.5°C | 21.5°C | |
| JUL 3 | 22.5°C | 21.6°C | |
| JUL 4 | 22.5°C | 21.6°C | |
| JUL 5 | 22.5°C | 21.7°C | |
| JUL 6 | 22.5°C | 21.7°C | |
| JUL 7 | 22.5°C | 21.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 2°C | 4°C |
| February | 0°C | 1°C | 3°C |
| March | 0°C | 3°C | 6°C |
| April | 1°C | 4°C | 8°C |
| May | 6°C | 12°C | 18°C |
| June | 15°C | 18°C | 22°C |
| July | 18°C | 23°C | 27°C |
| August | 18°C | 24°C | 30°C |
| September | 14°C | 16°C | 19°C |
| October | 9°C | 13°C | 17°C |
| November | 4°C | 9°C | 13°C |
| December | 0°C | 2°C | 5°C |
Big Arbor Vitae Lake: Water Temperature by Location
Big Arbor Vitae Lake: Weather Forecast
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July 4
July 5
July 6
Location & Local Information
Big Arbor Vitae Lake in northern Wisconsin typically follows the seasonal temperature patterns of shallow, inland lakes. After ice-out in spring surface temperatures often rise from about 40–65°F (4–18°C) as the lake mixes and warms. In summer the surface commonly reaches its warmest range, roughly 68–78°F (20–26°C), depending on air temperature, wind and depth. By fall the water cools back down to about 50–60°F (10–16°C) as nights shorten and lakes begin to turnover. During winter the lake is usually ice-covered and near freezing at the surface, around 32–39°F (0–4°C), with somewhat warmer, denser water near 39°F (4°C) at greater depths.
Swimming in Big Arbor Vitae Lake is allowed and is a popular summer activity because surface temperatures in July and August often become comfortable for recreational swimming. Public access points and many shoreline residences provide entry to the water, but conditions vary by location; beaches or boat landings may not have lifeguards and aquatic vegetation, sudden drop-offs and cooler subsurface water can pose hazards. Water quality and safety advisories can change seasonally, so swimmers should check local guidance, use common-sense precautions and be mindful that water remains dangerously cold outside the warmer months.