Webster Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Webster Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Webster Lake today is 20.3°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 |
|---|---|---|---|
| SEP 14 | 23.0°C | 24.0°C | |
| SEP 15 | 23.5°C | 24.0°C | |
| SEP 16 | 21.6°C | 24.0°C | |
| SEP 17 | 20.6°C | 24.0°C | |
| SEP 18 | 21.1°C | 24.0°C | |
| SEP 19 | 21.0°C | 24.0°C | |
| SEP 20 | 20.3°C | 24.0°C | |
| SEP 21 | 20.3°C | 24.0°C | |
| SEP 22 | 24.0°C | 20.5°C | |
| SEP 23 | 24.0°C | 20.7°C | |
| SEP 24 | 24.0°C | 20.9°C | |
| SEP 25 | 24.0°C | 21.0°C | |
| SEP 26 | 24.0°C | 21.2°C | |
| SEP 27 | 24.0°C | 21.4°C | |
| SEP 28 | 24.0°C | 21.6°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 | 2°C | 4°C | 7°C |
| March | 2°C | 6°C | 9°C |
| April | 5°C | 9°C | 14°C |
| May | 11°C | 16°C | 20°C |
| June | 17°C | 21°C | 25°C |
| July | 23°C | 27°C | 30°C |
| August | 23°C | 26°C | 29°C |
| September | 21°C | 24°C | 27°C |
| October | 14°C | 18°C | 21°C |
| November | 4°C | 10°C | 16°C |
| December | 2°C | 5°C | 8°C |
Webster Lake: Water Temperature by Location
Webster Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Webster Lake in north-central Indiana experiences typical midwestern seasonal shifts in water temperature. In winter months the surface often falls to near freezing, roughly 32–40°F (0–4°C), and portions of the lake can ice over. During spring the water rises through a cool range of about 40–60°F (4–16°C) as snowmelt and warmer air mix. Peak summer temperatures commonly reach the high 60s to upper 70s Fahrenheit, about 20–26°C, making the water most comfortable for prolonged swimming. In autumn the lake cools back down to roughly 50–65°F (10–18°C) before ice forms again.
Swimming is allowed at Webster Lake in many locations, particularly at public access points and private beaches, primarily because summer surface temperatures regularly reach levels suitable for recreation. Local rules and posted signs determine where swimming is permitted, and there may be no lifeguards at some sites, so swimmers should exercise standard safety precautions. Water quality can vary with weather and occasional algal blooms, so checking recent advisories or local guidance is advisable before entering the water. In winter the lake is used for ice activities rather than swimming, and anyone on or near ice should follow established safety recommendations.