Lake Bastrop — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Bastrop, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Bastrop today is 30.3°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 14 | 29.8°C | 29.5°C | |
| JUL 15 | 29.3°C | 29.5°C | |
| JUL 16 | 29.3°C | 29.5°C | |
| JUL 17 | 29.0°C | 29.5°C | |
| JUL 18 | 29.6°C | 29.5°C | |
| JUL 19 | 29.9°C | 29.5°C | |
| JUL 20 | 29.9°C | 29.5°C | |
| JUL 21 | 30.3°C | 29.5°C | |
| JUL 22 | 29.5°C | 30.3°C | |
| JUL 23 | 29.5°C | 30.2°C | |
| JUL 24 | 29.5°C | 30.2°C | |
| JUL 25 | 29.5°C | 30.1°C | |
| JUL 26 | 29.5°C | 30.1°C | |
| JUL 27 | 29.5°C | 30.1°C | |
| JUL 28 | 29.5°C | 30.0°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 | 9°C | 13°C | 18°C |
| February | 9°C | 15°C | 21°C |
| March | 12°C | 18°C | 25°C |
| April | 11°C | 19°C | 26°C |
| May | 19°C | 26°C | 32°C |
| June | 24°C | 29°C | 34°C |
| July | 26°C | 30°C | 33°C |
| August | 26°C | 30°C | 33°C |
| September | 23°C | 26°C | 28°C |
| October | 24°C | 27°C | 30°C |
| November | 16°C | 21°C | 24°C |
| December | 10°C | 14°C | 19°C |
Lake Bastrop: Water Temperature by Location
Lake Bastrop: Weather Forecast
July 22
July 23
July 24
July 25
July 26
Location & Local Information
Lake Bastrop, a reservoir in central Texas, typically experiences a wide seasonal swing in surface water temperatures. In winter the lake often cools to roughly 45–55°F (7–13°C). Spring temperatures climb into the mid-50s to low 70s°F (13–22°C) as air temperatures warm. In summer the surface commonly reaches the mid-70s to upper 80s°F (24–31°C), and during heat spells can approach the low 90s°F (32–34°C). Fall sees a gradual cooling back into the 60s–70s°F range (16–24°C). Deeper water remains cooler year-round, so experienced boaters and divers can encounter noticeably lower temperatures below the surface.
Swimming is generally permitted at Lake Bastrop and the lake is used for recreational activities including shore and boat-based swimming, but there are few if any lifeguarded public beaches and some shoreline is privately owned or restricted. Because it is a managed reservoir rather than a designated municipal swim beach, swimmers should heed posted advisories, watch for algae blooms or water-quality notices, and be aware of submerged hazards and sudden drop-offs. Comfort for casual swimmers is usually best when surface temperatures are above about 70°F (21°C), although individual tolerance varies.