Austin Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Austin Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Austin Lake today is 19.6°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 | 20.4°C | 23.0°C | |
| SEP 15 | 20.9°C | 23.0°C | |
| SEP 16 | 19.6°C | 23.0°C | |
| SEP 17 | 19.4°C | 23.0°C | |
| SEP 18 | 19.7°C | 23.0°C | |
| SEP 19 | 19.7°C | 23.0°C | |
| SEP 20 | 19.5°C | 23.0°C | |
| SEP 22 | 23.0°C | 19.8°C | |
| SEP 23 | 23.0°C | 19.9°C | |
| SEP 24 | 23.0°C | 20.1°C | |
| SEP 25 | 23.0°C | 20.3°C | |
| SEP 26 | 23.0°C | 20.5°C | |
| SEP 27 | 23.0°C | 20.6°C | |
| SEP 28 | 23.0°C | 20.8°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 | 3°C | 6°C |
| February | 0°C | 4°C | 6°C |
| March | 1°C | 6°C | 9°C |
| April | 6°C | 12°C | 17°C |
| May | 10°C | 14°C | 19°C |
| June | 15°C | 19°C | 24°C |
| July | 20°C | 24°C | 28°C |
| August | 23°C | 26°C | 28°C |
| September | 18°C | 23°C | 28°C |
| October | 10°C | 16°C | 21°C |
| November | 3°C | 8°C | 11°C |
| December | 0°C | 3°C | 5°C |
Austin Lake: Water Temperature by Location
Austin Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Austin Lake, like many inland lakes in southern Michigan, follows a clear seasonal temperature pattern. After ice-out in spring the surface water typically rises from near freezing to roughly 40–60°F (4–16°C) through April and May as air temperatures warm. In summer the lake commonly reaches comfortable swimming temperatures, often 70–80°F (21–27°C) in July and August; during particularly warm spells surface readings can climb into the mid‑80s °F (around 29°C). By early fall the water cools back through the 60s into the 40s °F (16–4°C) as nights shorten, and in winter the surface frequently approaches the freezing point (about 32°F / 0°C) and may be ice‑covered for periods depending on the season.
Swimming in Austin Lake is generally allowed and is a popular recreational activity where access and shoreline use are permitted, but it is subject to local rules, posted signage and water‑quality conditions. Warm summer months can bring harmful algal blooms or elevated bacterial counts in sheltered bays, which may prompt advisories or temporary closures, so it’s advisable to check local health notices before entering the water. As with any natural lake, swimmers should be mindful of weather, water depth, and typical safety precautions such as life jackets for weaker swimmers and avoiding isolated areas after dark.