Grand River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Grand River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Grand River today is 10.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 |
|---|---|---|---|
| OCT 26 | 14.0°C | 14.5°C | |
| OCT 27 | 14.6°C | 14.5°C | |
| OCT 28 | 14.5°C | 14.5°C | |
| OCT 29 | 14.0°C | 14.5°C | |
| OCT 30 | 15.0°C | 14.5°C | |
| OCT 31 | 15.6°C | 14.5°C | |
| NOV 1 | 16.0°C | 8.1°C | |
| NOV 2 | 10.6°C | 8.1°C | |
| NOV 3 | 8.1°C | 10.5°C | |
| NOV 4 | 8.1°C | 10.4°C | |
| NOV 5 | 8.1°C | 10.2°C | |
| NOV 6 | 8.1°C | 10.1°C | |
| NOV 7 | 8.1°C | 10.0°C | |
| NOV 8 | 8.1°C | 9.9°C | |
| NOV 9 | 8.1°C | 9.7°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 | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 2°C | 7°C | 11°C |
| April | 5°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 23°C |
| July | 17°C | 22°C | 26°C |
| August | 17°C | 22°C | 27°C |
| September | 11°C | 18°C | 25°C |
| October | 8°C | 15°C | 21°C |
| November | 3°C | 8°C | 16°C |
| December | 2°C | 5°C | 8°C |
Grand River: Water Temperature by Location
Grand River: Weather Forecast
November 3
November 4
November 5
November 6
November 7
November 8
Location & Local Information
Source:
• location Geauga County
Mouth Lake Erie
• location Fairport Harbor
Length 102.7 mi (165.3 km)
The Grand River in Ohio is a scenic waterway known for its natural beauty and diverse ecosystems. Its water temperature varies throughout the year, heavily influenced by the seasons. In the spring, as snowmelt and rains feed the river, temperatures are cool, typically ranging between 40°F and 55°F (4°C to 13°C). By the summer months, the water warms to a more comfortable range of 65°F–75°F (18°C–24°C), especially in calmer, slower-moving sections.
Swimming in the Grand River is possible in certain areas, but it is not a primary recreational activity due to the river's variable depth, occasional strong currents, and fluctuating water quality. Some shallow stretches and calmer pools may be suitable for wading or cooling off during the summer, but these spots should be approached with caution. The river is better known for kayaking, canoeing, and fishing, with its picturesque surroundings drawing outdoor enthusiasts. Those seeking safer and more consistent swimming experiences often turn to nearby lakes or designated swimming areas in local parks.