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Tomhannock Reservoir
Tomhannock Reservoir Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Tomhannock 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
33°F
TODAY
33°F
YESTERDAY
33°F
A WEEK AGO
As of today, the minimum water temperature in the Tomhannock Reservoir 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 Tomhannock Reservoir Over the Last 30 Days
Today the water temperature in Tomhannock Reservoir is lower than the same day in previous years. The water temperature range here in February is from 32°F to 41°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 Tomhannock 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Feb 16 | 33°F | 36°F | |
| Feb 17 | 33°F | 36°F | |
| Feb 18 | 33°F | 36°F | |
| Feb 19 | 33°F | 36°F | |
| Feb 20 | 33°F | 36°F | |
| Feb 21 | 33°F | 36°F | |
| Feb 22 | 33°F | 36°F | |
| Feb 23 | 33°F | 36°F | |
| Feb 24 | 36°F | 33°F | |
| Feb 25 | 36°F | 33°F | |
| Feb 26 | 36°F | 34°F | |
| Feb 27 | 36°F | 34°F | |
| Feb 28 | 36°F | 34°F | |
| Mar 1 | 38°F | 34°F | |
| Mar 2 | 38°F | 34°F | |
| Mar 3 | 38°F | 35°F |
Water Temperature Ranges in Tomhannock Reservoir by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 35°F | 39°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 36°F | 41°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 38°F | 43°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 49°F | 54°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 52°F | 56°F | 61°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 63°F | 68°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 79°F | 84°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 73°F | 77°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 68°F | 72°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 59°F | 63°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 51°F | 55°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 41°F | 45°F |
Monthly Water Temperature Histogram for Tomhannock Reservoir
Known Beaches in the Area of Tomhannock Reservoir?
Grafton Lakes State Park
Grafton Lakes State Park is a 3-stars sandy beach, located in a 10 km (6 miles) radius of Tomhannock Reservoir. There is parking. There are restrooms. Grafton Lakes State Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Tomhannock Reservoir Weather
FEBRUARY 23
10°F / 34°F
overcastrain: 1% | wind: 7 mph
FEBRUARY 24
23°F / 36°F
slight snow fallrain: 20% | wind: 5 mph
FEBRUARY 25
32°F / 34°F
light drizzlerain: 27% | wind: 4 mph
FEBRUARY 26
32°F / 37°F
light drizzlerain: 27% | wind: 9 mph
Water Temperature in Tomhannock Reservoir: General Trends and Swimming Opportunities
Tomhannock Reservoir is located in the state of New York, in the county of Rensselaer, at an elevation of 390 feet (119 meters) above sea level.
Tomhannock Reservoir is a small lake. Its surface area is 2.67 sq mi (6.92 sq km). These are small water bodies often used for recreation, fishing, or irrigation.
The water temperature in Tomhannock Reservoir 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 Tomhannock Reservoir exceeds 68 degrees Fahrenheit (20°C) are July, August and September.
The nearest cities ans towns to Tomhannock Reservoir are: Cropseyville, Waterford, Mechanicville, Stillwater, Cohoes, Green Island, Hoosick Falls, Poestenkill, Watervliet, Troy in New York.
Geographical Location of Tomhannock Reservoir
Frequently Asked Questions About Tomhannock Reservoir and its Water Temperatures
What is the current water temperature in Tomhannock Reservoir?
The water temperature today in Tomhannock Reservoir is 33°F (0.6°C).
What is the water temperature in Tomhannock Reservoir during the summer months?
The average water temperature in Tomhannock Reservoir 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 Tomhannock Reservoir in May?
The average water temperature in Tomhannock Reservoir in May ranges from 52°F to 61°F (11°C to 16°C).
What is the water temperature in Tomhannock Reservoir in September?
The average water temperature in Tomhannock Reservoir in September is typically between 64°F to 72°F (18°C to 22°C).
Where is Tomhannock Reservoir located?
Tomhannock Reservoir is located in the United States in the state of New York, in the county of Rensselaer, at an elevation of 390 feet (119 meters) above sea level. The surface area of the lake is 2.670 sq mi (6.92 sq km).
Is it possible to swim in Tomhannock Reservoir and what are the possibilities for this?
No, it's not possible to swim in Tomhannock Reservoir, New York, as it serves as a public water supply so recreation is not permitted. Entry into the water can carry legal ramifications.
What are the coordinates of Tomhannock Reservoir?
Tomhannock Reservoir is located at coordinates 42.8420°N 73.5420°W.
Is Lake Tomhannock Reservoir a popular vacation spot among Americans?
Tomhannock 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.
What species of fish can be found in Tomhannock Reservoir?
Tomhannock Reservoir is home to fish species such as Largemouth bass (best caught in Spring, Fall), Smallmouth bass (Spring, Fall), Chain pickerel (Spring, Fall), Northern pike (Spring, Fall), Yellow perch (Spring, Winter), Bluegill (Spring, Summer), Pumpkinseed (Spring, Summer), Black crappie (Spring, Fall), White crappie (Spring, Fall), Brown bullhead (Spring, Summer, Fall), Yellow bullhead (Spring, Summer), Common carp (Spring, Summer), White sucker (Spring), Rainbow trout (Spring, Fall).