Mississinewa Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Mississinewa Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Mississinewa Lake today is 28.5°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 | 26.2°C | 25.5°C | |
| JUL 15 | 28.5°C | 25.5°C | |
| JUL 16 | 28.4°C | 25.5°C | |
| JUL 17 | 28.5°C | 25.5°C | |
| JUL 18 | 28.5°C | 25.5°C | |
| JUL 19 | 29.0°C | 25.5°C | |
| JUL 20 | 28.9°C | 25.5°C | |
| JUL 21 | 28.8°C | 25.5°C | |
| JUL 22 | 25.5°C | 28.4°C | |
| JUL 23 | 25.5°C | 28.2°C | |
| JUL 24 | 25.5°C | 28.1°C | |
| JUL 25 | 25.5°C | 27.9°C | |
| JUL 26 | 25.5°C | 27.8°C | |
| JUL 27 | 25.5°C | 27.6°C | |
| JUL 28 | 25.5°C | 27.5°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 | 2°C | 12°C | 21°C |
| February | 3°C | 11°C | 19°C |
| March | 5°C | 12°C | 18°C |
| April | 8°C | 17°C | 25°C |
| May | 13°C | 20°C | 26°C |
| June | 18°C | 22°C | 26°C |
| July | 22°C | 26°C | 29°C |
| August | 24°C | 26°C | 29°C |
| September | 20°C | 24°C | 28°C |
| October | 15°C | 18°C | 20°C |
| November | 7°C | 12°C | 17°C |
| December | 1°C | 5°C | 8°C |
Mississinewa Lake: Water Temperature by Location
Location & Local Information
Mississinewa Lake, a reservoir in north-central Indiana, experiences typical Midwest seasonal temperature swings that strongly affect water conditions. In spring the surface usually runs cool, roughly 40–60°F (4–16°C) as runoff and cooler air temperatures prevail. By summer the lake warms to its most comfortable range for bathing, commonly about 70–85°F (21–29°C) at peak afternoons in July and August, although near-shore shallows heat faster than deeper areas. Temperatures begin falling in autumn, often dropping back into the 50–60°F range (10–16°C), and in winter the lake can approach freezing with surface readings near 33–40°F (1–4°C) and occasional ice cover in sustained cold spells.
Swimming at Mississinewa Lake is permitted but generally confined to designated beach and day-use areas managed by the reservoir authorities; these spaces exist to separate swimmers from boating traffic and changing water levels. Conditions and rules can change seasonally, and beach areas may be unguarded, so visitors should heed posted advisories about water quality, algae blooms or unsafe currents near inlets and the dam. Because temperatures vary widely through the year, swimmers commonly plan visits for mid-summer when surface temperatures are warmest and more comfortable for extended swimming.