Fremont Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Fremont Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Fremont Lake today is 18.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| SEP 14 | 19.8°C | 17.4°C | |
| SEP 15 | 19.5°C | 17.4°C | |
| SEP 16 | 19.1°C | 17.4°C | |
| SEP 17 | 18.9°C | 17.4°C | |
| SEP 18 | 18.8°C | 17.4°C | |
| SEP 19 | 18.4°C | 17.4°C | |
| SEP 20 | 18.3°C | 17.4°C | |
| SEP 22 | 17.4°C | 18.2°C | |
| SEP 23 | 17.4°C | 18.1°C | |
| SEP 24 | 17.4°C | 18.1°C | |
| SEP 25 | 17.4°C | 18.0°C | |
| SEP 26 | 17.4°C | 18.0°C | |
| SEP 27 | 17.4°C | 18.0°C | |
| SEP 28 | 17.4°C | 17.9°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 | 3°C | 5°C | 7°C |
| February | 1°C | 5°C | 8°C |
| March | 0°C | 4°C | 8°C |
| April | 4°C | 9°C | 14°C |
| May | 8°C | 16°C | 23°C |
| June | 16°C | 19°C | 22°C |
| July | 20°C | 25°C | 29°C |
| August | 22°C | 25°C | 27°C |
| September | 12°C | 17°C | 23°C |
| October | 12°C | 16°C | 20°C |
| November | 0°C | 6°C | 12°C |
| December | 0°C | 3°C | 6°C |
Fremont Lake: Water Temperature by Location
Fremont Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Fremont Lake in Michigan typically follows the seasonal temperature patterns of small inland lakes in the region. In spring surface temperatures often climb from roughly 40–60°F (4–16°C) as the ice melts and air warms. By summer the lake commonly reaches a comfortable swimming range of about 65–80°F (18–27°C) at the surface in shallower areas, though cooler spots and deeper water may remain several degrees colder. Autumn brings a steady decline, with surface temperatures usually falling to around 45–60°F (7–16°C) before ice formation. In winter the surface generally hovers near freezing, about 32–40°F (0–4°C), and the lake is frequently ice-covered.
Swimming is generally possible at Michigan inland lakes like Fremont Lake when access and conditions allow, but it is not universally unrestricted. Public access, private ownership, posted signs, and seasonal water quality advisories can affect whether swimming is permitted. Warm-weather cyanobacterial blooms or bacterial contamination can lead local health departments to recommend avoiding contact, and cold spring or late‑season water can pose hypothermia risk. For safe swimming it is best to confirm current temperature, water-quality reports, and any local regulations or posted warnings before entering the water.