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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 (19 hrs ago).

Clear location
  • 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.

  1. SOUTH PLATTE R AT 64TH AVE. COMMERCE CITY, CO.USGS gauge · Colorado · 96 ft³/s
    72°F6.7 mi20 hrs ago
  2. SOUTH BOULDER CR AT FOREBAY NR ELDORADO SPRINGS COUSGS gauge · Colorado
    58°F16 mi20 hrs ago
  3. SOUTH PLATTE RIVER AT ENGLEWOOD, CO.USGS gauge · Colorado · 32 ft³/s
    71°F16 mi20 hrs ago
  4. SOUTH PLATTE RIVER ABV STRONTIA SPGS RESERVOIR, COUSGS gauge · Colorado
    60°F34 mi20 hrs ago
  5. FRASER RIVER AT UPPER STA, NEAR WINTER PARK, CO.USGS gauge · Colorado · 4 ft³/s
    45°F39 mi20 hrs ago
  6. FRASER RIVER BLW MOFFAT TUNNEL AT WINTER PARK, COUSGS gauge · Colorado
    50°F40 mi20 hrs ago
  7. FRASER RIVER AT MOFFAT TUNNEL AT WINTER PARK, COUSGS gauge · Colorado
    50°F40 mi20 hrs ago
  8. CACHE LA POUDRE RIVER BELOW HWY 85 AT GREELEY, COUSGS gauge · Colorado
    72°F40 mi20 hrs ago

Nearest swimmable spots

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

Waneka Lake Park4.7(1,635)

Waneka Lake Park

Park · Lafayette, Colorado

Tree-dotted park with a small lake offering paddle boats, fishing & trails for bird-watching & jogs.

8.4 mi from your location

Sloan Lake4.7(287)

Sloan Lake

Lake · Denver, Colorado

Fishing & boating in a city lake encircled by a public park with a trail for cycling & walking.

11 mi from your location

Boulder Reservoir4.1(424)

Boulder Reservoir

Reservoir · Boulder, Colorado

Peaceful manmade lake with a mountain backdrop, popular for kayaking, swimming & waterside hikes.

17 mi from your location

Cherry Creek State Park4.6(9,355)

Cherry Creek State Park

State park · Aurora, Colorado
Camping nearby

Large park around a reservoir with camping, water sports & many other outdoor leisure activities.

21 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.