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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

65°F

TODAY

64°F

YESTERDAY

66°F

A WEEK AGO

As of today, the minimum water temperature in the Henrys Fork River ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.

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 June is from 57°F to 72°F. The water temperature has decreased over the past 7 days but has increased over the past month.

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

DateCurrentAverageForecast
Jun 1166°F65°F
Jun 1266°F65°F
Jun 1366°F65°F
Jun 1466°F65°F
Jun 1565°F65°F
Jun 1665°F65°F
Jun 1764°F65°F
Jun 1865°F65°F
Jun 1965°F65°F
Jun 2065°F65°F
Jun 2165°F65°F
Jun 2265°F65°F
Jun 2365°F65°F
Jun 2465°F65°F
Jun 2565°F65°F
Jun 2665°F65°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 Henrys Fork River by Month

January

MinimumAverageMaximum
36°F42°F48°F

February

MinimumAverageMaximum
36°F42°F48°F

March

MinimumAverageMaximum
37°F44°F52°F

April

MinimumAverageMaximum
39°F50°F61°F

May

MinimumAverageMaximum
46°F56°F70°F

June

MinimumAverageMaximum
57°F65°F72°F

July

MinimumAverageMaximum
63°F68°F75°F

August

MinimumAverageMaximum
63°F71°F73°F

September

MinimumAverageMaximum
52°F64°F66°F

October

MinimumAverageMaximum
46°F56°F61°F

November

MinimumAverageMaximum
37°F47°F61°F

December

MinimumAverageMaximum
37°F40°F46°F

Monthly Water Temperature Histogram for Henrys Fork River

Water Temperature in Cities and Towns on Henrys Fork River

Saint Anthony
United States (Idaho)
64°F

Henrys Fork River Weather

JUNE 18

50°F / 86°F
overcast

rain: 3% | wind: 16 mph

JUNE 19

52°F / 91°F
overcast

rain: 3% | wind: 17 mph

JUNE 20

54°F / 88°F
light drizzle

rain: 6% | wind: 24 mph

JUNE 21

43°F / 81°F
overcast

rain: 4% | wind: 24 mph

JUNE 22

39°F / 70°F
light drizzle

rain: 17% | wind: 17 mph

JUNE 23

32°F / 66°F
overcast

rain: 17% | wind: 17 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

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 65°F (18.1°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.