Search for cities, countries, lakes and rivers

Guelph Reservoir

Guelph Reservoir Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Guelph Reservoir, 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

63°F

TODAY

64°F

YESTERDAY

65°F

A WEEK AGO

As of today, the minimum water temperature in the Guelph Reservoir ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.

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 Guelph Reservoir Over the Last 30 Days

Today the water temperature in Guelph Reservoir is higher than the same day in previous years. The water temperature range here in October is from 55°F to 66°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Guelph Reservoir 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
Oct 1565°F61°F
Oct 1665°F61°F
Oct 1765°F61°F
Oct 1865°F61°F
Oct 1964°F61°F
Oct 2064°F61°F
Oct 2164°F61°F
Oct 2263°F61°F
Oct 2361°F63°F
Oct 2461°F63°F
Oct 2561°F63°F
Oct 2661°F63°F
Oct 2761°F62°F
Oct 2861°F62°F
Oct 2961°F62°F
Oct 3061°F62°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 Guelph Reservoir by Month

January

MinimumAverageMaximum
34°F39°F43°F

February

MinimumAverageMaximum
34°F39°F45°F

March

MinimumAverageMaximum
34°F39°F43°F

April

MinimumAverageMaximum
37°F47°F57°F

May

MinimumAverageMaximum
43°F57°F72°F

June

MinimumAverageMaximum
54°F64°F75°F

July

MinimumAverageMaximum
68°F74°F81°F

August

MinimumAverageMaximum
68°F76°F84°F

September

MinimumAverageMaximum
64°F71°F77°F

October

MinimumAverageMaximum
55°F61°F66°F

November

MinimumAverageMaximum
46°F50°F54°F

December

MinimumAverageMaximum
37°F42°F46°F

Monthly Water Temperature Histogram for Guelph Reservoir

Guelph Reservoir Weather

OCTOBER 23

41°F / 46°F
moderate rain showers

rain: 85% | wind: 21 mph

OCTOBER 24

37°F / 46°F
overcast

rain: 68% | wind: 15 mph

Water Temperature in Guelph Reservoir: General Trends and Swimming Opportunities

Guelph Reservoir is located in the state of New York, in the county of Monroe, at an elevation of 1131 feet (345 meters) above sea level.

Guelph Reservoir is a medium lake. Its surface area is 6.2 sq mi (16.0 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Guelph Reservoir varies throughout the year, ranging from 34°F (1°C) in January to 84°F (29°C) in August. The average annual water temperature of the lake is 57°F (14°C). The months when the average water temperature in Guelph Reservoir exceeds 68 degrees Fahrenheit (20°C) are May, June, July, August and September.

Geographical Location of Guelph Reservoir

Nearby Lakes

Frequently Asked Questions About Guelph Reservoir and its Water Temperatures

What is the current water temperature in Guelph Reservoir?

The water temperature today in Guelph Reservoir is 63°F (17.4°C).

What is the water temperature in Guelph Reservoir during the summer months?

The average water temperature in Guelph Reservoir during the summer months is typically between 70°F to 79°F (21°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 Guelph Reservoir in May?

The average water temperature in Guelph Reservoir in May ranges from 64°F to 72°F (18°C to 22°C).

What is the water temperature in Guelph Reservoir in September?

The average water temperature in Guelph Reservoir in September is typically between 68°F to 77°F (20°C to 25°C).

Where is Guelph Reservoir located?

Guelph Reservoir is located in the United States in the state of New York, in the county of Monroe, at an elevation of 1131 feet (345 meters) above sea level. The surface area of the lake is 6.178 sq mi (16.00 sq km).

Is it possible to swim in Guelph Reservoir and what are the possibilities for this?

No, it's not possible to swim in Guelph Reservoir in New York as it serves as a water supply area. This area is generally restricted to public use to maintain water quality.

What are the coordinates of Guelph Reservoir?

Guelph Reservoir is located at coordinates 43.6030°N 80.2370°W.

Is Lake Guelph Reservoir a popular vacation spot among Americans?

Guelph Reservoir enjoys local popularity among the residents of State New York, and nationally, it ranks in the top 10 percent of all lakes in the country.