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Henrys Fork River
Henrys Fork River Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Henrys Fork River, 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 Water Temperature in Henrys Fork River
41°F
TODAY
41°F
YESTERDAY
40°F
A WEEK AGO
As of today, the minimum water temperature in the Henrys Fork River 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 Henrys Fork River Over the Last 30 Days
Today the water temperature in Henrys Fork River is lower than the same day in previous years. The water temperature range here in February is from 36°F to 48°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 Henrys Fork 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 | 40°F | 42°F | |
| Feb 17 | 40°F | 42°F | |
| Feb 18 | 40°F | 42°F | |
| Feb 19 | 40°F | 42°F | |
| Feb 20 | 40°F | 42°F | |
| Feb 21 | 40°F | 42°F | |
| Feb 22 | 41°F | 42°F | |
| Feb 23 | 41°F | 42°F | |
| Feb 24 | 42°F | 41°F | |
| Feb 25 | 42°F | 41°F | |
| Feb 26 | 42°F | 41°F | |
| Feb 27 | 42°F | 41°F | |
| Feb 28 | 42°F | 41°F | |
| Mar 1 | 44°F | 41°F | |
| Mar 2 | 44°F | 41°F | |
| Mar 3 | 44°F | 41°F |
Water Temperature Ranges in Henrys Fork River by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 42°F | 48°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 42°F | 48°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 44°F | 52°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 41°F | 50°F | 61°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 56°F | 70°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 65°F | 72°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 68°F | 75°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 71°F | 73°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 52°F | 64°F | 66°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 56°F | 61°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 47°F | 61°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 40°F | 46°F |
Monthly Water Temperature Histogram for Henrys Fork River
Water Temperature in Cities and Towns on Henrys Fork River
Henrys Fork River Weather
FEBRUARY 23
9°F / 30°F
slight snow fallrain: 39% | wind: 8 mph
FEBRUARY 24
27°F / 36°F
slight snow fallrain: 48% | wind: 14 mph
FEBRUARY 25
25°F / 36°F
fograin: 38% | wind: 11 mph
FEBRUARY 26
14°F / 30°F
overcastrain: 23% | wind: 7 mph
FEBRUARY 27
14°F / 32°F
fograin: 2% | wind: 7 mph
Water Temperature in Henrys Fork River: General Trends and Swimming Opportunities
Source:
• location near Island Park, Fremont County, Idaho
• elevation 6,397 ft (1,950 m)
Mouth Snake River
• location southwest of Rexburg, Madison County, Idaho
Length 127 mi (204 km)
Henrys Fork, a tributary of the Snake River in Idaho, is renowned for its crystal-clear waters and exceptional fly fishing. Fed by springs and snowmelt from the surrounding mountains, the river’s water temperature stays relatively cool throughout the year. During spring and early summer, the water is cold, often between 40°F and 55°F (4°C to 13°C), due to snowmelt. In late summer, especially in slower-moving stretches, the water can warm slightly to around 60°F–65°F (15°C–18°C), though it remains refreshingly cool.
Swimming in Henrys Fork is less common compared to other recreational activities like fishing, kayaking, and rafting. The river’s cool temperatures and swift currents in some areas make it more suitable for short dips or wading rather than extended swimming. However, there are calmer stretches, particularly near campgrounds and parks, where visitors can enjoy the water safely during warmer months. Overall, Henrys Fork is prized for its natural beauty and outdoor adventure opportunities rather than as a primary swimming destination.
Geographical Location of Henrys Fork River
Nearby Rivers
Frequently Asked Questions About Henrys Fork River and its Water Temperatures
What is the current water temperature in Henrys Fork River?
The water temperature today in Henrys Fork River is 41°F (4.8°C).
What is the water temperature in Henrys Fork River during the summer months?
The average water temperature in Henrys Fork River during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Henrys Fork River in May?
The average water temperature in Henrys Fork River in May ranges from 46°F to 70°F (8°C to 21°C).
What is the water temperature in Henrys Fork River in September?
The average water temperature in Henrys Fork River in September is typically between 52°F to 66°F (11°C to 19°C).
Where does Henrys Fork River flow?
Henrys Fork River flows through United States (Idaho).
Is it possible to swim in the Henrys Fork River?
Yes, it is possible to swim in the Henrys Fork River. However, due to swift currents and cold temperatures at times, swimming can be challenging and potentially risky.