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Live · updated daily from USGS

Swimmable water near you

2,141 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (35 mins ago).

Clear location
  • Cold · below 60°F · 385
  • Cool · 60–69°F · 607
  • Comfortable · 70–86°F · 934
  • 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. Medina Rv nr Somerset, TXUSGS gauge · Texas · 9 ft³/s
    85°F7.0 mi45 mins ago
  2. Medina Rv at San Antonio, TXUSGS gauge · Texas · 60 ft³/s
    86°F12 mi1 hr ago
  3. AY-68-36-132 (Z DED)USGS gauge · Texas
    72°F15 mi1 hr ago
  4. AY-68-27-610 (Parkwood Park)USGS gauge · Texas
    72°F17 mi1 hr ago
  5. San Antonio Rv nr Elmendorf, TXUSGS gauge · Texas · 133 ft³/s
    87°F21 mi1 hr ago
  6. AY-68-28-211 (Shavano Park at Fawn Drive)USGS gauge · Texas
    72°F22 mi1 hr ago
  7. AY-68-29-112 (Donella)USGS gauge · Texas
    73°F24 mi45 mins ago
  8. Jacobs Well Spg nr Wimberley, TXUSGS gauge · Texas · 0 ft³/s
    70°F61 mi1 hr ago

Nearest swimmable spots

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

Medina River Natural Area4.7(1,121)

Medina River Natural Area

Nature preserve · San Antonio, Texas

511-acre oasis with riverfront paved & dirt hiking & biking trails, a variety of terrain & wildlife.

7.2 mi from your location

Woodlawn Lake Park4.6(7,862)

Woodlawn Lake Park

Park · San Antonio, Texas
Dog-friendly

Relaxed place with a lake, fishing, a trail, picnicking, a pool, sports fields & a playscape.

14 mi from your location

San Antonio River Walk4.7(43,250)

San Antonio River Walk

Park · San Antonio, Texas
Dog-friendly

Iconic area with landscaped walkways, bridges, restaurants, bars, hotels, shops & boat tours.

15 mi from your location

Medina Lake4.2(193)

Medina Lake

Lake · Texas

This 6,060-acre reservoir on the Medina River offers bass, catfish & carp fishing, plus boating.

23 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.