Kennebec River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Kennebec River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Kennebec River today is 20.1°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 5 | 24.5°C | 21.0°C | |
| AUG 6 | 24.5°C | 21.0°C | |
| AUG 7 | 20.9°C | 21.0°C | |
| AUG 8 | 21.0°C | 21.0°C | |
| AUG 9 | 22.5°C | 21.0°C | |
| AUG 10 | 21.5°C | 21.0°C | |
| AUG 11 | 20.1°C | 21.0°C | |
| AUG 13 | 21.0°C | 20.1°C | |
| AUG 14 | 21.0°C | 20.2°C | |
| AUG 15 | 21.0°C | 20.2°C | |
| AUG 16 | 21.0°C | 20.3°C | |
| AUG 17 | 21.0°C | 20.3°C | |
| AUG 18 | 21.0°C | 20.4°C | |
| AUG 19 | 21.0°C | 20.4°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 | 1°C | 5°C | 9°C |
| February | 1°C | 5°C | 9°C |
| March | 1°C | 6°C | 11°C |
| April | 2°C | 9°C | 16°C |
| May | 5°C | 13°C | 21°C |
| June | 9°C | 16°C | 22°C |
| July | 17°C | 21°C | 25°C |
| August | 17°C | 21°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 8°C | 13°C | 18°C |
| November | 2°C | 9°C | 16°C |
| December | 1°C | 5°C | 8°C |
Kennebec River: Water Temperature by Location
Kennebec River: Weather Forecast
August 12
August 13
August 14
August 15
Location & Local Information
Source:
• location Moosehead Lake
• elevation 1,024 feet (312 m)
Mouth:
• location Gulf of Maine, North Atlantic Ocean
Length 170 miles (270 km)
The Kennebec River, located in Maine, is a picturesque and historically significant waterway that stretches from Moosehead Lake to the Atlantic Ocean. Its water temperature varies significantly throughout the year due to Maine’s distinct seasons. In the colder months, the river remains frigid, with temperatures often between 32°F and 45°F (0°C to 7°C). During the summer, the water warms to a more comfortable range of 60°F to 70°F (15°C to 21°C), especially in the southern stretches, making it more appealing for recreational activities.
Swimming in the Kennebec River is possible in certain areas during the warmer months, particularly where the flow is calmer, such as near public access points or smaller tributaries. However, the river is better known for activities like kayaking, canoeing, and whitewater rafting, particularly in sections where the current is stronger and the scenery dramatic. The Kennebec’s natural beauty and cooler summer water temperatures offer a refreshing escape, but swimmers should exercise caution and be mindful of currents and water conditions.