Mauch Chunk Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Mauch Chunk Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Mauch Chunk Lake today is 21.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 |
|---|---|---|---|
| JUN 3 | 18.1°C | 23.0°C | |
| JUN 4 | 18.4°C | 23.0°C | |
| JUN 5 | 19.5°C | 23.0°C | |
| JUN 6 | 19.7°C | 23.0°C | |
| JUN 7 | 20.4°C | 23.0°C | |
| JUN 8 | 20.5°C | 23.0°C | |
| JUN 10 | 21.1°C | 23.0°C | |
| JUN 11 | 23.0°C | 21.2°C | |
| JUN 12 | 23.0°C | 21.3°C | |
| JUN 13 | 23.0°C | 21.4°C | |
| JUN 14 | 23.0°C | 21.5°C | |
| JUN 15 | 23.0°C | 21.6°C | |
| JUN 16 | 23.0°C | 21.7°C | |
| JUN 17 | 23.0°C | 21.8°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 | 4°C | 7°C |
| February | 0°C | 4°C | 7°C |
| March | 0°C | 4°C | 8°C |
| April | 6°C | 14°C | 20°C |
| May | 11°C | 17°C | 22°C |
| June | 16°C | 23°C | 30°C |
| July | 22°C | 28°C | 33°C |
| August | 22°C | 27°C | 31°C |
| September | 19°C | 22°C | 25°C |
| October | 12°C | 16°C | 20°C |
| November | 5°C | 9°C | 12°C |
| December | 0°C | 4°C | 7°C |
Mauch Chunk Lake: Water Temperature by Location
Mauch Chunk Lake: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Mauch Chunk Lake, a small reservoir in eastern Pennsylvania, follows the seasonal temperature patterns typical of shallow northeastern lakes. Surface temperatures in winter hover around freezing, roughly 32–40°F (0–4°C). In spring the water commonly warms to about 40–60°F (4–16°C) as air temperatures rise, while summer surface readings often reach roughly 68–78°F (20–26°C) on warm afternoons. By autumn the surface cools again into the 50–64°F (10–18°C) range. Like many lakes, Mauch Chunk exhibits vertical temperature differences: the surface can be substantially warmer than deeper water, especially in summer when stratification leaves cold layers below the thermocline.
Public swimming at Mauch Chunk Lake is generally restricted by local park authorities rather than encouraged. Restrictions are driven by safety and resource concerns — there are limited or no lifeguards, variable under‑water hazards and currents, and water-quality and management priorities for flood control and wildlife habitat. Even where informal wading or boating occurs, the combination of cold deep water and uneven bottoms raises hypothermia and drowning risks. Visitors should consult on‑site signs or the county parks office for the current rules before planning any water contact.