Henrys Fork River

© By James N Perdue

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.

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