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Live · updated daily from USGS

Swimmable water near you

2,139 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (4 hrs ago).

Clear location
  • Cold · below 60°F · 384
  • Cool · 60–69°F · 607
  • Comfortable · 70–86°F · 933
  • Warm · above 86°F · 215
  • 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.

  1. CACAPON RIVER NEAR GREAT CACAPON, WVUSGS gauge · West Virginia · 117 ft³/s
    75°F15 mi5 hrs ago
  2. SOUTH BRANCH POTOMAC RIVER NEAR SPRINGFIELD, WVUSGS gauge · West Virginia · 478 ft³/s
    75°F36 mi5 hrs ago
  3. POTOMAC RIVER AT POINT OF ROCKS, MDUSGS gauge · Maryland · 3,890 ft³/s
    78°F36 mi1 day ago
  4. MONOCACY RIVER NEAR DICKERSON, MDUSGS gauge · Maryland · 471 ft³/s
    75°F41 mi1 day ago
  5. SAMS CREEK AT MCKINSTRYS MILL, MDUSGS gauge · Maryland · 3 ft³/s
    68°F47 mi1 day ago
  6. N F SHENANDOAH RIVER NEAR STRASBURG, VAUSGS gauge · Virginia · 181 ft³/s
    77°F48 mi5 hrs ago
  7. WAITES RUN NEAR WARDENSVILLE, WVUSGS gauge · West Virginia · 1 ft³/s
    65°F51 mi5 hrs ago
  8. Swift Run at Brickcrafter Rd nr New Oxford, PAUSGS gauge · Pennsylvania · 0 ft³/s
    67°F52 mi5 hrs ago

Nearest swimmable spots

Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.

Berkeley Springs State Park4.7(2,426)

Berkeley Springs State Park

State park · Berkeley Springs, West Virginia

Stalwart, laid-back state park offering natural springs for bathing, a spa, events & other features.

11 mi from your location

Sleepy Creek Wildlife Management Area4.4(366)

Sleepy Creek Wildlife Management Area

Nature preserve · Berkeley Springs, West Virginia
Camping nearby

Trails through oak, pine & hardwood forest around a freshwater lake popular for bass & pike fishing.

11 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.