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Lake Blanche — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lake Blanche, trends, monthly ranges and the forecast for the coming days.

Otter Tail Lake, United States
Otter Tail Lake, United States © By formulanone, CC BY-SA 2.0

Current Water Temperature

25.2°C
Today
25.1°C
Yesterday
25.5°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Lake Blanche today is 25.2°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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

From July 11 to August 11

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 425.5°C24.5°C
AUG 525.5°C24.5°C
AUG 625.1°C24.5°C
AUG 725.1°C24.5°C
AUG 825.1°C24.5°C
AUG 925.1°C24.5°C
AUG 1025.1°C24.5°C
AUG 1125.1°C24.5°C
AUG 1224.5°C25.2°C
AUG 1324.5°C25.1°C
AUG 1424.5°C25.1°C
AUG 1524.5°C25.1°C
AUG 1624.5°C25.0°C
AUG 1724.5°C25.0°C
AUG 1824.5°C25.0°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
January2°C7°C12°C
February2°C9°C15°C
March1°C9°C17°C
April2°C11°C20°C
May6°C14°C21°C
June15°C19°C23°C
July17°C22°C26°C
August21°C25°C28°C
September17°C20°C22°C
October5°C12°C18°C
November3°C7°C11°C
December2°C5°C8°C

Lake Blanche: Water Temperature by Location

Lake Blanche: Weather Forecast

August 12

° / °
overcast
rain: 34% | wind:

August 13

° / °
overcast
rain: 12% | wind:

August 14

° / °
overcast
rain: 11% | wind:

August 15

° / °
moderate rain showers
rain: 44% | wind:

August 16

° / °
light drizzle
rain: 16% | wind:

Location & Local Information

Lake Blanche is a typical Minnesota lake when it comes to water temperatures, with strong seasonal swings. In winter the surface often freezes and water at or near the ice is around 32°F (0°C), while deeper water may remain just above freezing, roughly 32–40°F (0–4°C). Spring brings rapid warming with surface temperatures commonly in the 35–55°F (2–13°C) range as snowmelt and cool rains moderate conditions. Peak summer temperatures are usually the most comfortable for swimmers, often reaching about 65–78°F (18–26°C) on warm afternoons. By early fall the lake cools again, typically falling into the 50–66°F (10–19°C) band as air temperatures trend down.

Swimming at Lake Blanche is generally possible and often practiced during the warmer months because it is a recreational lake with public access points; lifeguarding and official swimming areas vary by location and season. However, users should heed posted rules and water-quality advisories, since late-summer algal blooms or runoff can prompt temporary closures. Ice and near-ice conditions in winter make swimming unsafe except for organized, well-supported polar plunge events, and cold shock is a risk in early spring and late fall when water remains quite cold despite mild air temperatures.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Blanche?
Water Temperature in Lake Blanche today is 25.2°C.
What is the water temperature in Lake Blanche during the summer months?
The water temperature in Lake Blanche in summer fluctuates in the range of 15°C - 28°C.
Is it possible to swim in Lake Blanche and what are the possibilities for this?
Yes, it is possible to swim in Lake Blanche, Minnesota, South Dakota, but there are no public swimming facilities or lifeguard services available. Ensure to swim at your own risk and adhere to local regulations and conditions.