Live · updated daily from USGS
Swimmable water near you
1,325 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (4 hrs ago).
- Cold · below 60°F · 218
- Cool · 60–69°F · 484
- Comfortable · 70–86°F · 545
- Warm · above 86°F · 78
- 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.
- ASHUELOT RIVER NEAR GILSUM, NHUSGS gauge · New Hampshire · 11 ft³/s66°F5.3 mi4 hrs ago
- COLD RIVER AT HIGH STREET, AT ALSTEAD, NHUSGS gauge · New Hampshire · 8 ft³/s66°F7.2 mi4 hrs ago
- SOUTH BRANCH PISCATAQUOG RIVER NEAR GOFFSTOWN, NHUSGS gauge · New Hampshire · 15 ft³/s67°F30 mi4 hrs ago
- CONNECTICUT RIVER NEAR NORTHFIELD, MAUSGS gauge · Massachusetts · 2,590 ft³/s76°F32 mi5 hrs ago
- SOUHEGAN RIVER (SITE WLR-1) NEAR MILFORD, NHUSGS gauge · New Hampshire · 24 ft³/s67°F32 mi4 hrs ago
- WARE RIVER AT INTAKE WORKS NEAR BARRE, MAUSGS gauge · Massachusetts · 19 ft³/s68°F50 mi5 hrs ago
- LAMPREY RIVER AT LANGFORD ROAD, AT RAYMOND, NHUSGS gauge · New Hampshire · 4 ft³/s69°F52 mi4 hrs ago
- STILLWATER RIVER NEAR STERLING, MAUSGS gauge · Massachusetts · 6 ft³/s65°F53 mi4 hrs ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.

