Lake Nokomis — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Nokomis, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Nokomis today is 18.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 | 22.4°C | 21.7°C | |
| SEP 15 | 21.7°C | 21.7°C | |
| SEP 16 | 20.6°C | 21.7°C | |
| SEP 17 | 18.0°C | 21.7°C | |
| SEP 18 | 18.3°C | 21.7°C | |
| SEP 19 | 18.1°C | 21.7°C | |
| SEP 20 | 18.5°C | 21.7°C | |
| SEP 21 | 18.7°C | 21.7°C | |
| SEP 22 | 21.7°C | 18.9°C | |
| SEP 23 | 21.7°C | 19.0°C | |
| SEP 24 | 21.7°C | 19.2°C | |
| SEP 25 | 21.7°C | 19.3°C | |
| SEP 26 | 21.7°C | 19.5°C | |
| SEP 27 | 21.7°C | 19.6°C | |
| SEP 28 | 21.7°C | 19.8°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 | 8°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 3°C | 7°C |
| April | 4°C | 9°C | 14°C |
| May | 11°C | 17°C | 22°C |
| June | 17°C | 22°C | 27°C |
| July | 22°C | 25°C | 28°C |
| August | 20°C | 24°C | 28°C |
| September | 18°C | 22°C | 26°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 4°C | 8°C |
Lake Nokomis: Water Temperature by Location
Lake Nokomis: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lake Nokomis experiences a pronounced seasonal cycle in water temperature typical of inland Minnesota lakes. In spring (April–May) surface temperatures are usually in the 40s–60s°F (4–16°C) as the lake stratifies; early summer in June often warms to roughly 55–70°F (13–21°C). Peak summer in July and August commonly brings surface readings in the low 70s to upper 70s°F (21–26°C) and can occasionally reach about 80°F (27°C) during heat spells. By fall (September–October) the water cools back through the 60s to 40s°F (16–4°C). In winter the lake typically freezes and surface temperatures are at or near 32°F (0°C), with liquid water beneath ice at just above freezing until breakup.
Swimming at Lake Nokomis is a seasonal recreational activity concentrated in the warmer months at the public beaches and designated swim areas. Lifeguards are typically present at staffed city beaches during the summer season, and the Minneapolis Park and Recreation Board or public health authorities monitor water quality; advisories or temporary closures can occur for high bacteria counts or harmful algal blooms. When surface temperatures are in the 70s°F (around 21–26°C) swimmers generally find conditions comfortable, whereas cold spring and autumn waters and winter ice make swimming impractical or unsafe outside the summer season.