Niagara River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Niagara River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Niagara River today is 19.5°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 |
|---|---|---|---|
| JUN 23 | 17.5°C | 18.5°C | |
| JUN 24 | 17.6°C | 18.5°C | |
| JUN 25 | 17.7°C | 18.5°C | |
| JUN 26 | 17.8°C | 18.5°C | |
| JUN 27 | 17.7°C | 18.5°C | |
| JUN 28 | 17.6°C | 18.5°C | |
| JUN 29 | 17.9°C | 18.5°C | |
| JUN 30 | 19.5°C | 18.5°C | |
| JUL 1 | 21.0°C | 19.6°C | |
| JUL 2 | 21.0°C | 19.7°C | |
| JUL 3 | 21.0°C | 19.7°C | |
| JUL 4 | 21.0°C | 19.8°C | |
| JUL 5 | 21.0°C | 19.9°C | |
| JUL 6 | 21.0°C | 20.0°C | |
| JUL 7 | 21.0°C | 20.0°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 |
|---|---|---|---|
| January | 0°C | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 0°C | 6°C | 11°C |
| April | 4°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 21°C | 25°C |
| August | 17°C | 21°C | 25°C |
| September | 11°C | 16°C | 21°C |
| October | 8°C | 14°C | 20°C |
| November | 3°C | 8°C | 16°C |
| December | 0°C | 4°C | 8°C |
Niagara River: Water Temperature by Location
Niagara River: Weather Forecast
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July 4
July 5
Location & Local Information
Source Lake Erie
Mouth Lake Ontario
Length 58 km (36 mi)
The Niagara River, which flows from Lake Erie to Lake Ontario, is known for its powerful currents and dramatic landscapes, particularly the famous Niagara Falls. The water temperature in the Niagara River varies with the seasons, with cold temperatures being typical during the winter and spring. In the colder months, the river can dip below 40°F (4°C), making swimming in the river a dangerous activity. Even in late spring, the water remains relatively chilly, hovering around 50°F to 60°F (10°C to 15°C), which may be too cold for most people to swim comfortably.
During the summer months, the river water warms up to more pleasant temperatures, typically ranging from 60°F to 70°F (15°C to 21°C), depending on the time of year and the specific location along the river. While swimming in the Niagara River itself is not encouraged due to the strong current, there are designated areas nearby where swimming is allowed. One of the popular spots for water activities is the Whirlpool State Park, where visitors can enjoy calmer waters and take in the scenic views. However, swimmers need to exercise caution, as parts of the river are known for swift currents and whirlpools that can be hazardous.
Although swimming in the river is limited due to safety concerns, the Niagara River offers a wide range of other recreational activities. The surrounding area is popular for boating, kayaking, and sightseeing, with opportunities to experience the natural beauty of the river and Niagara Falls. If you want to enjoy the water in a safe way, there are also several pools and beaches along the river where swimming is permitted. Visitors should always check local guidelines to ensure a safe experience.