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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

68°F

TODAY

67°F

YESTERDAY

67°F

A WEEK AGO

As of today, the minimum water temperature in the Guelph Reservoir 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.

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 lower than the same day in previous years. The water temperature range here in July is from 68°F to 81°F. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

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
Jun 3067°F64°F
Jul 167°F74°F
Jul 268°F74°F
Jul 368°F74°F
Jul 468°F74°F
Jul 568°F74°F
Jul 667°F74°F
Jul 768°F74°F
Jul 874°F69°F
Jul 974°F69°F
Jul 1074°F69°F
Jul 1174°F70°F
Jul 1274°F70°F
Jul 1374°F70°F
Jul 1474°F71°F
Jul 1574°F71°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
75°F79°F84°F

September

MinimumAverageMaximum
68°F73°F77°F

October

MinimumAverageMaximum
55°F60°F64°F

November

MinimumAverageMaximum
46°F50°F54°F

December

MinimumAverageMaximum
37°F42°F46°F

Monthly Water Temperature Histogram for Guelph Reservoir

Guelph Reservoir Weather

JULY 8

55°F / 79°F
overcast

rain: 19% | wind: 9 mph

JULY 9

59°F / 81°F
overcast

rain: 17% | wind: 6 mph

JULY 10

63°F / 77°F
light drizzle

rain: 21% | wind: 6 mph

JULY 11

61°F / 82°F
light drizzle

rain: 24% | wind: 6 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 68°F (20.2°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.