Sand Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sand Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sand Lake today is 20.5°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 |
|---|---|---|---|
| AUG 24 | 22.3°C | 24.4°C | |
| AUG 25 | 22.3°C | 24.4°C | |
| AUG 26 | 22.0°C | 24.4°C | |
| AUG 27 | 20.7°C | 24.4°C | |
| AUG 28 | 20.8°C | 24.4°C | |
| AUG 29 | 20.8°C | 24.4°C | |
| AUG 30 | 20.8°C | 24.4°C | |
| AUG 31 | 20.8°C | 24.4°C | |
| SEP 1 | 19.5°C | 20.5°C | |
| SEP 2 | 19.5°C | 20.4°C | |
| SEP 3 | 19.5°C | 20.4°C | |
| SEP 4 | 19.5°C | 20.3°C | |
| SEP 5 | 19.5°C | 20.3°C | |
| SEP 6 | 19.5°C | 20.2°C | |
| SEP 7 | 19.5°C | 20.2°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 | 0°C | 3°C | 6°C |
| March | 0°C | 2°C | 4°C |
| April | 1°C | 6°C | 10°C |
| May | 4°C | 12°C | 19°C |
| June | 14°C | 21°C | 27°C |
| July | 19°C | 24°C | 27°C |
| August | 20°C | 24°C | 28°C |
| September | 16°C | 20°C | 23°C |
| October | 6°C | 12°C | 18°C |
| November | 3°C | 7°C | 11°C |
| December | 0°C | 5°C | 10°C |
Sand Lake: Water Temperature by Location
Sand Lake: Weather Forecast
September 1
September 2
September 3
September 4
September 5
September 6
Location & Local Information
At Sand Lake in Minnesota, water temperatures follow the typical seasonal cycle for inland lakes in the region. After ice-off in spring, surface temperatures usually rise from about 40–60°F (4–16°C) as the sun warms shallow water. In summer the surface often reaches the mid‑60s to upper‑70s Fahrenheit, roughly 18–26°C, and can occasionally climb into the low 80s (27–28°C) on very warm, shallow bays. Deeper parts of the lake remain cooler year‑round, so bottom temperatures are several degrees lower than the surface. In fall the surface cools back through the 50s–60s°F (10–16°C) before freezing; in winter the lake is typically at or below freezing (around 32°F / 0°C) under ice.
Swimming at Sand Lake is commonly possible during the ice‑free months because many public access points and private shorelines permit recreational use and the water warms to comfortable levels in summer. Whether a specific site is open depends on local management, water‑quality advisories, and safety conditions: blue‑green algae blooms, high bacterial counts, or hazardous weather can lead to temporary closures, and ice cover makes swimming unsafe in winter. For safe enjoyment, check current local advisories, use common‑sense precautions about depth and currents, and be mindful that deeper water remains significantly colder.