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Island Park Reservoir
Island Park Reservoir Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Island Park 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
58°F
TODAY
57°F
YESTERDAY
60°F
A WEEK AGO
As of today, the minimum water temperature in the Island Park Reservoir ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.
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 Island Park Reservoir Over the Last 30 Days
Today the water temperature in Island Park Reservoir is higher than the same day in previous years. The water temperature range here in October is from 39°F to 57°F. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Island Park 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 |
|---|---|---|---|
| Sep 25 | 60°F | 63°F | |
| Sep 26 | 60°F | 63°F | |
| Sep 27 | 60°F | 63°F | |
| Sep 28 | 59°F | 63°F | |
| Sep 29 | 58°F | 63°F | |
| Sep 30 | 57°F | 63°F | |
| Oct 1 | 57°F | 48°F | |
| Oct 2 | 58°F | 48°F | |
| Oct 3 | 48°F | 57°F | |
| Oct 4 | 48°F | 56°F | |
| Oct 5 | 48°F | 55°F | |
| Oct 6 | 48°F | 54°F | |
| Oct 7 | 48°F | 54°F | |
| Oct 8 | 48°F | 53°F | |
| Oct 9 | 48°F | 53°F | |
| Oct 10 | 48°F | 52°F |
Water Temperature Ranges in Island Park Reservoir by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 35°F | 39°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 37°F | 41°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 39°F | 43°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 42°F | 46°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 46°F | 54°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 58°F | 63°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 66°F | 70°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 73°F | 79°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 63°F | 68°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 48°F | 57°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 32°F | 36°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 34°F | 39°F |
Monthly Water Temperature Histogram for Island Park Reservoir
Island Park Reservoir Weather
OCTOBER 3
46°F / 66°F
overcastrain: 42% | wind: 14 mph
OCTOBER 4
39°F / 50°F
slight rain showersrain: 64% | wind: 10 mph
OCTOBER 5
34°F / 54°F
light drizzlerain: 60% | wind: 4 mph
OCTOBER 6
32°F / 59°F
overcastrain: 37% | wind: 7 mph
OCTOBER 7
36°F / 68°F
partly cloudyrain: 8% | wind: 7 mph
Water Temperature in Island Park Reservoir: General Trends and Swimming Opportunities
Island Park Reservoir is located in the state of Idaho, in the county of Fremont, at an elevation of 6295 feet (1919 meters) above sea level.
Island Park Reservoir is a medium lake. Its surface area is 11.8 sq mi (30.6 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.
The water temperature in Island Park Reservoir varies throughout the year, ranging from 32°F (0°C) in January to 79°F (26°C) in August. The average annual water temperature of the lake is 48°F (9°C). The average monthly water temperature in Island Park Reservoir exceeds 68 degrees Fahrenheit (20°C) only in August.
The nearest cities ans towns to Island Park Reservoir are: Ashton in Idaho and West Yellowstone in Montana.
Geographical Location of Island Park Reservoir
Nearby Lakes
Frequently Asked Questions About Island Park Reservoir and its Water Temperatures
What is the current water temperature in Island Park Reservoir?
The water temperature today in Island Park Reservoir is 58°F (14.2°C).
What is the water temperature in Island Park Reservoir during the summer months?
The average water temperature in Island Park Reservoir during the summer months is typically between 59°F to 74°F (15°C to 23°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Island Park Reservoir in May?
The average water temperature in Island Park Reservoir in May ranges from 39°F to 48°F (4°C to 9°C).
What is the water temperature in Island Park Reservoir in September?
The average water temperature in Island Park Reservoir in September is typically between 59°F to 68°F (15°C to 20°C).
Where is Island Park Reservoir located?
Island Park Reservoir is located in the United States in the state of Idaho, in the county of Fremont, at an elevation of 6295 feet (1919 meters) above sea level. The surface area of the lake is 11.797 sq mi (30.55 sq km).
Is it possible to swim in Island Park Reservoir and what are the possibilities for this?
Yes, it is possible to swim in Island Park Reservoir, Idaho. However, the available options may vary depending on local regulations, weather conditions, and individual safety measures.
What are the coordinates of Island Park Reservoir?
Island Park Reservoir is located at coordinates 44.4100°N 111.5120°W.
Is Lake Island Park Reservoir a popular vacation spot among Americans?
Island Park Reservoir enjoys local popularity among the residents of State Idaho, and nationally, it ranks in the top 10 percent of all lakes in the country.
What species of fish can be found in Island Park Reservoir?
Island Park Reservoir is home to fish species such as Rainbow trout (best caught in Spring, Fall), Cutthroat trout (Spring, Fall), Brook trout (Spring, Fall), Brown trout (Spring, Fall).