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Live · updated daily from USGS

Swimmable water near you

2,136 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (13 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 594
  • 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.

  1. AMERICAN R BL FOLSOM DAM NR FOLSOM CAUSGS gauge · California
    63°F1.9 mi13 hrs ago
  2. AMERICAN R A FAIR OAKS CAUSGS gauge · California · 4,220 ft³/s
    66°F4.0 mi13 hrs ago
  3. AMERICAN R A WILLIAM B POND PARK A CARMICHAEL CAUSGS gauge · California
    66°F10 mi14 hrs ago
  4. SF AMERICAN R NR PILOT HILL CAUSGS gauge · California
    64°F11 mi13 hrs ago
  5. AMERICAN R BL WATT AVE BRDG NR CARMICHAEL CAUSGS gauge · California
    66°F14 mi13 hrs ago
  6. NF AMERICAN R A AUBURN DAM SITE NR AUBURN CAUSGS gauge · California
    60°F15 mi13 hrs ago
  7. SACRAMENTO R A FREEPORT CAUSGS gauge · California · 21,200 ft³/s
    70°F23 mi14 hrs ago
  8. SACRAMENTO R BL WILKINS SLOUGH NR GRIMES CAUSGS gauge · California · 6,840 ft³/s
    68°F42 mi14 hrs ago

Nearest swimmable spots

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

Folsom Lake State Recreation Area4.6(5,557)

Folsom Lake State Recreation Area

State park · Folsom, California
Camping nearby

A decommissioned powerhouse is found in this park, which also offers camping, fishing & more.

7.5 mi from your location

American River4.5(423)

American River

River · Sacramento, California
FishingDog-friendlyWhite Water RaftingGold Rush History

The American River offers excellent opportunities for rafting, kayaking, fishing, and features the 32-mile American River Parkway with trails for biking and hiking.

Rafting · Kayaking · Bike Trails · Hiking Trails

18 mi from your location

Sand Cove Park4.3(683)

Sand Cove Park

Park · Sacramento, California

This green space & beach is along the American River & also features a nature area.

20 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.