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Jack Lake

Jack Lake Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Jack Lake, 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 Lake Water Temperature Information

51°F

TODAY

52°F

YESTERDAY

51°F

A WEEK AGO

As of today, the minimum water temperature in the Jack Lake 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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Jack Lake Over the Last 30 Days

Today the water temperature in Jack Lake is lower than the same day in previous years. The water temperature range here in June is from 50°F to 68°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Jack Lake 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.

Daily Water Temperature Chart

DateCurrentAverageForecast
May 3151°F50°F
Jun 152°F59°F
Jun 251°F59°F
Jun 350°F59°F
Jun 450°F59°F
Jun 551°F59°F
Jun 652°F59°F
Jun 751°F59°F
Jun 859°F52°F
Jun 959°F52°F
Jun 1059°F53°F
Jun 1159°F53°F
Jun 1259°F53°F
Jun 1359°F54°F
Jun 1459°F54°F
Jun 1559°F55°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 Jack Lake by Month

January

MinimumAverageMaximum
32°F35°F39°F

February

MinimumAverageMaximum
32°F36°F41°F

March

MinimumAverageMaximum
34°F38°F43°F

April

MinimumAverageMaximum
36°F45°F54°F

May

MinimumAverageMaximum
39°F50°F61°F

June

MinimumAverageMaximum
50°F59°F68°F

July

MinimumAverageMaximum
75°F79°F84°F

August

MinimumAverageMaximum
68°F73°F77°F

September

MinimumAverageMaximum
64°F68°F72°F

October

MinimumAverageMaximum
55°F59°F63°F

November

MinimumAverageMaximum
46°F51°F55°F

December

MinimumAverageMaximum
37°F41°F45°F

Monthly Water Temperature Histogram for Jack Lake

Jack Lake Weather

JUNE 8

50°F / 72°F
overcast

rain: 19% | wind: 10 mph

JUNE 9

55°F / 73°F
light drizzle

rain: 63% | wind: 14 mph

JUNE 10

54°F / 70°F
moderate drizzle

rain: 63% | wind: 7 mph

JUNE 11

52°F / 73°F
slight rain showers

rain: 53% | wind: 14 mph

JUNE 12

54°F / 81°F
overcast

rain: 21% | wind: 14 mph

Water Temperature in Jack Lake: General Trends and Swimming Opportunities

Jack Lake is located in Canada in the province of Ontario, at an elevation of 908 feet (277 meters) above sea level.

Jack Lake is a medium lake. Its surface area is 4.8 sq mi (12.4 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Jack Lake varies throughout the year, ranging from 32°F (0°C) in January to 84°F (29°C) in July. The average annual water temperature of the lake is 54°F (12°C). The months when the average water temperature in Jack Lake exceeds 68 degrees Fahrenheit (20°C) are July, August and September.

Geographical Location of Jack Lake

Frequently Asked Questions About Jack Lake and its Water Temperatures

What is the current water temperature in Jack Lake?

The water temperature today in Jack Lake is 51°F (10.8°C).

What is the water temperature in Jack Lake during the summer months?

The average water temperature in Jack Lake during the summer months is typically between 63°F to 79°F (17°C to 26°C), and it can reach up to 84°F (29°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Jack Lake in May?

The average water temperature in Jack Lake in May ranges from 52°F to 61°F (11°C to 16°C).

What is the water temperature in Jack Lake in September?

The average water temperature in Jack Lake in September is typically between 64°F to 72°F (18°C to 22°C).

Where is Jack Lake located?

Jack Lake is located in Canada in the province of Ontario, at an elevation of 908 feet (277 meters) above sea level. The surface area of the lake is 4.776 sq mi (12.37 sq km).

Is it possible to swim in Jack Lake and what are the possibilities for this?

Yes, it is possible to swim in Jack Lake, Ontario. The lake is publicly accessible and is often used by locals for swimming, fishing, and boating activities.

What are the coordinates of Jack Lake?

Jack Lake is located at coordinates 44.6870°N 78.0510°W.