Twin Falls — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Twin Falls, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Twin Falls today is 24.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| AUG 24 | 25.1°C | 22.6°C | |
| AUG 25 | 25.1°C | 22.6°C | |
| AUG 26 | 25.1°C | 22.6°C | |
| AUG 27 | 24.9°C | 22.6°C | |
| AUG 28 | 24.7°C | 22.6°C | |
| AUG 29 | 25.2°C | 22.6°C | |
| AUG 30 | 25.2°C | 22.6°C | |
| AUG 31 | 24.5°C | 22.6°C | |
| SEP 1 | 18.5°C | 24.2°C | |
| SEP 2 | 18.5°C | 23.9°C | |
| SEP 3 | 18.5°C | 23.6°C | |
| SEP 4 | 18.5°C | 23.3°C | |
| SEP 5 | 18.5°C | 23.0°C | |
| SEP 6 | 18.5°C | 22.7°C | |
| SEP 7 | 18.5°C | 22.4°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 1°C | 5°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 3°C | 7°C | 11°C |
| April | 5°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 24°C |
| July | 17°C | 23°C | 29°C |
| August | 17°C | 23°C | 29°C |
| September | 11°C | 19°C | 26°C |
| October | 8°C | 15°C | 22°C |
| November | 3°C | 8°C | 16°C |
| December | 3°C | 5°C | 8°C |
Twin Falls: Weather Forecast
September 1
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September 4
September 5
September 6
Location & Local Information
In Twin Falls, Idaho, the Snake River is a prominent feature, known for its scenic beauty, including the famous Shoshone Falls. However, swimming in this section of the river is not typically a popular activity due to the cold temperatures and strong currents. Water temperatures in the Snake River around Twin Falls usually hover between 45°F and 60°F (7°C to 15°C) during the summer months. These chilly temperatures can be quite uncomfortable for prolonged swimming, especially for those not accustomed to cold water.
The river’s swift currents and the presence of waterfalls further contribute to the dangers of swimming. While the Shoshone Falls area is stunning, it creates a powerful flow downstream, making the water potentially hazardous. As a result, people visiting Twin Falls are more likely to engage in other activities such as fishing, kayaking, or white-water rafting, which allow them to enjoy the river's beauty safely. These activities are far more suited to the area's conditions.
For those looking for more suitable places to swim, there are nearby reservoirs and lakes that offer warmer, calmer waters. Some of these areas, like the Thousand Springs State Park, are perfect for a relaxed swim, with temperatures ranging from 65°F to 75°F (18°C to 24°C) in the summer. Visitors to Twin Falls generally prefer these spots for swimming rather than braving the cold and unpredictable waters of the Snake River.