Live · updated daily from USGS
Swimmable water near you
2,137 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (11 hrs ago).
- Cold · below 60°F · 375
- Cool · 60–69°F · 595
- Comfortable · 70–86°F · 938
- Warm · above 86°F · 229
- You
A map of the United States with one coloured dot per USGS sensor reporting a live water temperature. The readings are listed below.
Nearest live readings
The closest USGS sensors currently reporting a water temperature, nearest first.
- 75°F7.7 mi12 hrs ago
- 75°F11 mi11 hrs ago
- Crooked Creek at Crooked Creek Dam near Ford CityUSGS gauge · Pennsylvania · 855 ft³/s71°F11 mi11 hrs ago
- Loyalhanna Creek at Loyalhanna Dam, PAUSGS gauge · Pennsylvania · 786 ft³/s71°F12 mi11 hrs ago
- Conemaugh River at Tunnelton, PAUSGS gauge · Pennsylvania · 2,120 ft³/s71°F15 mi12 hrs ago
- Crooked Creek at Idaho, PAUSGS gauge · Pennsylvania · 5,400 ft³/s66°F15 mi12 hrs ago
- Conemaugh River below Conemaugh Dam, PAUSGS gauge · Pennsylvania71°F15 mi12 hrs ago
- Monongahela River at Braddock, PAUSGS gauge · Pennsylvania72°F18 mi11 hrs ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.
About this map
Every pin is a live reading from a USGS real-time monitoring station, captured in a daily snapshot. Colours follow the site’s cold-water-safety thresholds and describe the water at that one sensor — usually a river or stream gauge, not a swim beach — so treat them as a guide to what the water is doing nearby, not a verdict on a specific spot. Readings are provisional and can be revised by the USGS. Your location only sorts this page: the coordinates appear in the address bar (rounded to about a mile) and are not saved to an account or our database.
Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.