Big Woods Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Big Woods Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Big Woods Lake today is 26.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 | 27.4°C | 24.8°C | |
| AUG 5 | 27.3°C | 24.8°C | |
| AUG 6 | 27.1°C | 24.8°C | |
| AUG 7 | 26.8°C | 24.8°C | |
| AUG 8 | 26.8°C | 24.8°C | |
| AUG 9 | 26.9°C | 24.8°C | |
| AUG 10 | 27.0°C | 24.8°C | |
| AUG 11 | 26.4°C | 24.8°C | |
| AUG 12 | 24.8°C | 26.8°C | |
| AUG 13 | 24.8°C | 26.7°C | |
| AUG 14 | 24.8°C | 26.6°C | |
| AUG 15 | 24.8°C | 26.5°C | |
| AUG 16 | 24.8°C | 26.4°C | |
| AUG 17 | 24.8°C | 26.3°C | |
| AUG 18 | 24.8°C | 26.2°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 | 1°C | 3°C |
| February | 0°C | 2°C | 3°C |
| March | 0°C | 6°C | 12°C |
| April | 6°C | 11°C | 16°C |
| May | 12°C | 17°C | 23°C |
| June | 18°C | 22°C | 26°C |
| July | 23°C | 27°C | 30°C |
| August | 22°C | 25°C | 28°C |
| September | 15°C | 18°C | 21°C |
| October | 12°C | 17°C | 21°C |
| November | 2°C | 10°C | 18°C |
| December | 0°C | 2°C | 5°C |
Big Woods Lake: Water Temperature by Location
Big Woods Lake: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Big Woods Lake in Iowa follows the seasonal temperature patterns common to small Midwestern lakes. In spring the surface water typically warms from roughly 45–60°F (7–16°C) as ice melts and air temperatures rise. By summer, surface temperatures commonly reach comfortable swimming levels, often ranging from about 70–85°F (21–29°C) on warm afternoons, though shallow bays can heat higher and deeper spots remain cooler. Early autumn sees a gradual decline into the 60s°F (15–20°C) before cooling more sharply; winter brings near‑freezing conditions with surface temperatures around 32°F (0°C) and, where present, ice cover.
Swimming at Big Woods Lake is generally permitted during the warmer months when local parks and access points are open, because summer water temperatures often reach ranges considered comfortable for recreational swimming. Whether swimming is advisable depends on current conditions and management rules: posted advisories, water‑quality testing (including for harmful algal blooms), signage about hazards, and lifeguard availability can affect access. Visitors should observe local regulations, check for any advisories before entering the water, and be mindful that shallow areas warm fastest while deeper water stays considerably cooler.