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Hamilton

Water Temperature in Hamilton in Lake Ontario: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Hamilton in Lake Ontario, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Hamilton

37°F

TODAY

37°F

YESTERDAY

37°F

A WEEK AGO

As of today, the minimum water temperature in Hamilton ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.

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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Lake Ontario in Hamilton Over the Last 30 Days

Today the water temperature in Hamilton is higher than the same day in previous years. The water temperature range here in March is from 32°F to 41°F. The water temperature is trending downward, and it has decreased both over the past 30 days and the past week.

The forecasted water temperature values for Hamilton are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Table of Daily Water Temperature Data

DateCurrentAverageForecast
Feb 2737°F36°F
Feb 2837°F36°F
Mar 138°F37°F
Mar 238°F37°F
Mar 338°F37°F
Mar 438°F37°F
Mar 537°F37°F
Mar 637°F37°F
Mar 737°F37°F
Mar 837°F37°F
Mar 937°F37°F
Mar 1037°F37°F
Mar 1137°F37°F
Mar 1237°F37°F
Mar 1337°F37°F
Mar 1437°F37°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Hamilton by Month

January

MinimumAverageMaximum
34°F39°F45°F

February

MinimumAverageMaximum
32°F36°F39°F

March

MinimumAverageMaximum
32°F37°F41°F

April

MinimumAverageMaximum
34°F41°F48°F

May

MinimumAverageMaximum
52°F57°F63°F

June

MinimumAverageMaximum
57°F64°F72°F

July

MinimumAverageMaximum
64°F72°F79°F

August

MinimumAverageMaximum
66°F73°F81°F

September

MinimumAverageMaximum
61°F70°F79°F

October

MinimumAverageMaximum
43°F56°F70°F

November

MinimumAverageMaximum
39°F49°F59°F

December

MinimumAverageMaximum
37°F42°F46°F

Monthly Water Temperature Histogram for Lake Ontario in Hamilton

Known Beaches in the Area of Hamilton?

Beach Boulevard Park #1

Beach Boulevard Park #1 is a 1-stars sandy beach, is located directly in Hamilton.

Hamilton Beach

Hamilton Beach is a 4-stars sandy beach, is located directly in Hamilton. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Dieppe Veterans Memorial Park

Dieppe Veterans Memorial Park is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Hamilton. There is parking. Dieppe Veterans Memorial Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

Confederation Beach

Confederation Beach is a 2-stars pebble beach, located in a 3 km (2 miles) radius of Hamilton. There is parking. There are cafés. Snorkeling is possible.

Beachway Park

Beachway Park is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Hamilton. There is parking. There are cafés. Beachway Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.

Burlington Waterfront

Burlington Waterfront is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Hamilton. There is parking. There are restrooms. There are cafés. Burlington Waterfront is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.

Lasalle Park Marina

Lasalle Park Marina is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Hamilton. There is parking. There are restrooms. There are cafés. Lasalle Park Marina is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Edgelake Park

Edgelake Park is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Hamilton. There is parking.

Community Beach

Community Beach is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Hamilton. There is parking. Community Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

Sioux Lookout Park

Sioux Lookout Park is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Hamilton. There is parking. Sioux Lookout Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.

Cherry Beach

Cherry Beach is a 2-stars pebble beach, located in a 8 km (5 miles) radius of Hamilton. There is parking. There are restrooms. Snorkeling is possible.

Paletta Lakefront Park

Paletta Lakefront Park is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Hamilton. There is parking.

Hamilton Weather

MARCH 6

28°F / 41°F
slight snow fall

rain: 66% | wind: 17 mph

MARCH 7

28°F / 37°F
overcast

rain: 16% | wind: 17 mph

MARCH 8

23°F / 32°F
overcast

rain: 16% | wind: 12 mph

MARCH 9

27°F / 28°F
slight snow fall

rain: 15% | wind: 12 mph

MARCH 10

14°F / 27°F
light drizzle

rain: 15% | wind: 22 mph

Water Temperature in Hamilton: General Trends and Swimming Opportunities

Hamilton, located along the western shore of Lake Ontario, benefits from its proximity to one of North America's Great Lakes. The water temperature in Lake Ontario varies significantly throughout the year. During the summer months, the lake warms to about 68°F to 77°F (20°C to 25°C) near the surface, making it a popular time for swimming and other water activities. In the colder months, the water cools drastically, often falling to 39°F to 46°F (4°C to 8°C), and ice can form along the shore in winter.

Swimming in Lake Ontario near Hamilton is possible at several beaches, such as Bayfront Park and Confederation Beach Park. These areas often feature calmer waters, especially in designated swimming zones. However, water quality is carefully monitored, and swimming is only encouraged when conditions are safe. The lake is also a hub for other activities like kayaking, paddleboarding, and sailing, offering plenty of options for those who prefer to stay on the surface.

Beyond swimming, Lake Ontario provides Hamilton residents and visitors with stunning views and opportunities for relaxation along its waterfront trails and parks. The combination of scenic beauty and recreational options makes the lake a treasured feature of the city, especially during the warmer months when people gather to enjoy its refreshing waters.

Geographical Location of Hamilton

Frequently Asked Questions About Hamilton and its Water Temperatures

What is the current water temperature in Hamilton?

The water temperature today in Hamilton is 37°F (3.0°C).

What is the water temperature in Hamilton during the summer months?

The average water temperature in Hamilton during the summer months is typically between 64°F to 73°F (18°C to 23°C), and it can reach up to 81°F (27°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Hamilton in May?

The average water temperature in Hamilton in May ranges from 52°F to 63°F (11°C to 17°C).

What is the water temperature in Hamilton in September?

The average water temperature in Hamilton in September is typically between 61°F to 79°F (16°C to 26°C).

Is it possible to swim in the Lake Ontario in Hamilton, and what are the available options for doing so?

Yes, it's possible to swim in Lake Ontario in Hamilton at designated public beaches like Van Wagner’s Beach or Confederation Park. For safety, it's advised to swim at supervised areas during lifeguard hours.