Bear Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bear Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bear Lake today is 23.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 |
|---|---|---|---|
| AUG 4 | 26.4°C | 24.5°C | |
| AUG 5 | 26.3°C | 24.5°C | |
| AUG 6 | 26.2°C | 24.5°C | |
| AUG 7 | 25.4°C | 24.5°C | |
| AUG 8 | 25.4°C | 24.5°C | |
| AUG 9 | 25.4°C | 24.5°C | |
| AUG 10 | 25.2°C | 24.5°C | |
| AUG 11 | 23.9°C | 24.5°C | |
| AUG 12 | 24.5°C | 23.9°C | |
| AUG 13 | 24.5°C | 24.0°C | |
| AUG 14 | 24.5°C | 24.0°C | |
| AUG 15 | 24.5°C | 24.0°C | |
| AUG 16 | 24.5°C | 24.1°C | |
| AUG 17 | 24.5°C | 24.1°C | |
| AUG 18 | 24.5°C | 24.1°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 | 2°C | 4°C |
| April | 1°C | 7°C | 13°C |
| May | 7°C | 14°C | 20°C |
| June | 14°C | 18°C | 23°C |
| July | 20°C | 24°C | 27°C |
| August | 19°C | 25°C | 30°C |
| September | 14°C | 16°C | 19°C |
| October | 9°C | 14°C | 18°C |
| November | 2°C | 7°C | 12°C |
| December | 0°C | 2°C | 4°C |
Bear Lake: Water Temperature by Location
Bear Lake: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Bear Lake in Wisconsin follows the pattern of many small inland lakes in the region: water temperatures are cold much of the year and warm only briefly in summer. Typical seasonal surface ranges run roughly 34–39°F (1–4°C) under ice in winter, rising to about 35–55°F (2–13°C) in spring as the lake stratifies. In summer the surface commonly reaches 65–78°F (18–26°C), with the warmest afternoons sometimes pushing into the upper 70s°F (25–26°C) on calm, sunny stretches; deeper water stays noticeably cooler. By fall the surface cools back toward 50–60°F (10–16°C) during turnover and the onset of ice formation.
Swimming is generally possible during the warmer weeks when surface temperatures reach comfortable ranges (roughly above 68–72°F / 20–22°C), but opportunities depend on access, local rules and conditions. Many lakeside owners and public parks permit swimming where there are beaches or boat landings, while private shorelines or safety advisories can restrict use. Water clarity and quality, including occasional blue‑green algae blooms or bacterial advisories, also determine whether swimming is advisable. Cold water shock remains a hazard outside the warmest weeks, so seasonal timing, local signage and common‑sense precautions should guide decisions.