Jordan Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Jordan Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Jordan Lake today is 19.9°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 | 21.6°C | 23.0°C | |
| SEP 15 | 21.4°C | 23.0°C | |
| SEP 16 | 20.6°C | 23.0°C | |
| SEP 17 | 20.7°C | 23.0°C | |
| SEP 18 | 20.7°C | 23.0°C | |
| SEP 19 | 20.1°C | 23.0°C | |
| SEP 20 | 20.4°C | 23.0°C | |
| SEP 22 | 23.0°C | 20.1°C | |
| SEP 23 | 23.0°C | 20.2°C | |
| SEP 24 | 23.0°C | 20.4°C | |
| SEP 25 | 23.0°C | 20.5°C | |
| SEP 26 | 23.0°C | 20.7°C | |
| SEP 27 | 23.0°C | 20.8°C | |
| SEP 28 | 23.0°C | 21.0°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 | 3°C | 6°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 4°C | 8°C |
| April | 4°C | 10°C | 15°C |
| May | 10°C | 14°C | 19°C |
| June | 16°C | 20°C | 24°C |
| July | 21°C | 24°C | 28°C |
| August | 22°C | 25°C | 28°C |
| September | 19°C | 23°C | 27°C |
| October | 13°C | 17°C | 20°C |
| November | 5°C | 9°C | 12°C |
| December | 1°C | 5°C | 8°C |
Jordan Lake: Water Temperature by Location
Jordan Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Jordan Lake in Michigan typically follows the seasonal temperature patterns seen across inland lakes in the state. During winter the surface often approaches freezing, roughly 32–39°F (0–4°C), and in colder years it may hold ice for weeks. Spring brings a steady thaw with temperatures commonly between about 40–60°F (4–16°C) as the lake stratifies, while peak summer warms the surface into the mid‑60s to upper‑70s Fahrenheit, approximately 18–26°C, with occasional days pushing into the mid‑70s to low‑80s°F (24–28°C) in shallow bays. In autumn the water cools again to roughly 50–65°F (10–18°C) before ice begins to form.
Swimming is generally possible at Jordan Lake during the warmer months at public access points and beaches where local authorities permit it, but conditions vary so people should check posted signs or advisories. Water quality, algal blooms, submerged hazards, and lack of lifeguards can limit safe swimming even when temperatures are comfortable; cold shock is also a risk in spring and early fall. In winter, ice thickness governs any recreational use on the lake, and swimming is not appropriate when ice is present. Observing local rules and real‑time conditions is important for safety.