Lake Conroe — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Conroe, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Conroe today is 32°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| JUL 16 | 30.0°C | 29.5°C | |
| JUL 17 | 30.1°C | 29.5°C | |
| JUL 18 | 29.9°C | 29.5°C | |
| JUL 19 | 29.9°C | 29.5°C | |
| JUL 20 | 30.0°C | 29.5°C | |
| JUL 21 | 29.9°C | 29.5°C | |
| JUL 22 | 30.2°C | 29.5°C | |
| JUL 23 | 32.0°C | 29.5°C | |
| JUL 24 | 29.5°C | 31.9°C | |
| JUL 25 | 29.5°C | 31.8°C | |
| JUL 26 | 29.5°C | 31.6°C | |
| JUL 27 | 29.5°C | 31.5°C | |
| JUL 28 | 29.5°C | 31.4°C | |
| JUL 29 | 29.5°C | 31.3°C | |
| JUL 30 | 29.5°C | 31.1°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 | 7°C | 12°C | 18°C |
| February | 7°C | 12°C | 17°C |
| March | 12°C | 18°C | 23°C |
| April | 16°C | 22°C | 28°C |
| May | 19°C | 24°C | 29°C |
| June | 24°C | 27°C | 30°C |
| July | 25°C | 30°C | 34°C |
| August | 25°C | 29°C | 32°C |
| September | 26°C | 28°C | 31°C |
| October | 23°C | 27°C | 31°C |
| November | 16°C | 20°C | 23°C |
| December | 12°C | 16°C | 20°C |
Lake Conroe: Water Temperature by Location
Lake Conroe: Weather Forecast
July 24
July 25
July 26
July 27
July 28
Location & Local Information
Lake Conroe is a managed reservoir north of Houston whose surface temperatures vary substantially through the year. In winter the water typically cools to roughly 45–55°F (7–13°C). Spring brings a steady warming trend to about 55–75°F (13–24°C). Peak summer surface temperatures commonly reach the mid-70s to upper-80s°F, roughly 75–88°F (24–31°C), while fall usually sees a decline back into the 60–75°F (16–24°C) band. Temperature can vary by depth, weather patterns, and wind; shallow bays warm more quickly than deeper channels. Occasional cold snaps or prolonged heat can push temperatures outside these ranges, and local conditions such as runoff or algal activity may alter perceived warmth.
Swimming in Lake Conroe is generally permitted and is a common recreational activity, but it is often informal rather than lifeguard‑supervised. Because the lake is a working reservoir used for supply, flood control and boating, some areas are restricted by private property, docks or heavy boat traffic, and there are few dedicated public, lifeguarded beaches. Water quality advisories, strong currents near boat ramps, submerged hazards and occasional algal blooms are reasons to exercise caution. Visitors should choose public parks or designated recreation areas, follow posted rules, and check current advisories before entering the water.