Live · updated daily from USGS
Swimmable water near you
2,135 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (21 hrs ago).
- Cold · below 60°F · 375
- Cool · 60–69°F · 594
- Comfortable · 70–86°F · 938
- Warm · above 86°F · 228
- 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.
- Loyalhanna Creek at Latrobe, PAUSGS gauge · Pennsylvania65°F16 mi21 hrs ago
- Youghiogheny River at Sutersville, PAUSGS gauge · Pennsylvania · 6,280 ft³/s68°F18 mi21 hrs ago
- Youghiogheny River below Confluence, PAUSGS gauge · Pennsylvania · 4,190 ft³/s63°F21 mi21 hrs ago
- Youghiogheny River at Youghiogheny River Dam, PAUSGS gauge · Pennsylvania · 618 ft³/s62°F23 mi21 hrs ago
- 62°F23 mi21 hrs ago
- Casselman River at Markleton, PAUSGS gauge · Pennsylvania · 1,900 ft³/s65°F23 mi21 hrs ago
- Loyalhanna Creek at Loyalhanna Dam, PAUSGS gauge · Pennsylvania · 786 ft³/s71°F24 mi21 hrs ago
- Conemaugh River at Tunnelton, PAUSGS gauge · Pennsylvania · 2,120 ft³/s71°F25 mi21 hrs ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.
4.7(1,627)Twin Lakes Park
Park aimed at accessible recreation with paved walkways, fishing lakes, boat rentals & playgrounds.
15 mi from your location
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.
