Water temperature in United States

Current water temperatures in United States – lakes, rivers and coasts, ranked live.

Updated on July 17, 2026

1Rio Grande at Mission Main Canal near Mission, Texas37.7 °C 2Hot C A Flume near Mammoth Lakes, California34.8 °C 3Lake Marion near Pineville, South Carolina33.9 °C 4Lake Mattamuskeet W of Nc HWY 94 near Fairfield, North Carolina33.7 °C 5Rincon Bayou Channel near Odem, Texas33.4 °C 6Lake Mattamuskeet E of Nc HWY 94 near Fairfield, North Carolina33.2 °C 7St. Johns River near Cocoa, Florida33.2 °C 8Black Creek Canal West of 127 Ave near Goulds, Florida33.1 °C 9Little Pee Dee River at Galivants Ferry, South Carolina33.0 °C 10Buck Creek near Longs, South Carolina32.9 °C 11Falls Lake above Dam near Falls, North Carolina32.7 °C 12Broad River near Carlisle, South Carolina32.6 °C 13East Side Creek near Lake Ingraham, Florida32.6 °C 14Gulf of Mexico, Clearwater Beach32.3 °C 15Atlantic, Miami32.3 °C 16Lake Peachtree Headwater at Peachtree City, Georgia32.3 °C 17Gulf of Mexico, Naples / Vanderbilt Beach32.2 °C 18Gulf of Mexico, St. Pete Beach32.2 °C 19Gulf of Mexico, Anna Maria Island32.1 °C 20Gulf of Mexico, Marco Island32.1 °C 21Gulf of Mexico, Naples Beach32.1 °C 22Gulf of Mexico, Sarasota / Lido Key32.1 °C 23Luce Bayou Itp Canal at Capers Ridge near Hardin, Texas32.1 °C 24Gulf of Mexico, Fort Myers Beach32.0 °C 25Atlantic, Key Biscayne / Crandon32.0 °C 26Gulf of Mexico, Siesta Key32.0 °C 27Little Saluda River near Prosperity, South Carolina32.0 °C 28Gulf of Mexico, Boca Grande / Gasparilla31.9 °C 29Gulf of Mexico, Captiva Island31.9 °C 30Gulf of Mexico, Sanibel / Bowman's Beach31.9 °C 31Gulf of Mexico, Sanibel Island31.9 °C 32Gulf of Mexico, Venice FL31.9 °C 33Aiw at Myrtlewood Golf Course at Myrtle Beach, South Carolina31.9 °C 34Pee Dee River at HWY731 below Lake Tillery near Norwood, North Carolina31.9 °C 35SW 122 Ave Canal at SW 208TH St near Goulds, Florida31.9 °C 36Santee River near Pineville, South Carolina31.8 °C 37Stono River at Main Rd below Rantowles, South Carolina31.8 °C 38Atlantic, Marathon / Sombrero Beach31.7 °C 39Rocky River at US 64 near Siler City, North Carolina31.7 °C 40Cedar River at San Juan Avenue at Jacksonville, Florida31.7 °C 41Peace River at Platt, Florida31.7 °C 42Atlantic, Hilton Head Island31.6 °C 43Gulf of Mexico, Key West / Smathers Beach31.6 °C 44Black Lake Outlet at S-101A, at Lake Buena Vista, Florida31.6 °C 45Atlantic, Tybee Island31.5 °C 46Aiw at Grand Strand Airport N. Myrtle Beach, South Carolina31.5 °C 47Loxahatchee River 500 Ft Ds of US-1 at Jupiter, Florida31.5 °C 48Peace River near Peace River Heights near Ft. Ogden, Florida31.5 °C 49Peace River at Harbour Heights, Florida31.5 °C 50Arkansas River near Rocky Ford, Colorado31.5 °C 51Atlantic, Islamorada31.4 °C 52Atlantic, Jekyll Island31.4 °C 53Catawba River at Rr Bridge above NC 73 at Cowans Ford, North Carolina31.4 °C 54Atlantic, Key Largo31.3 °C 55Broad River near Jenkinsville, South Carolina31.3 °C 56Savannah River at Fort Pulaski, Georgia31.3 °C 57St Lucie Estuary at A1A (Steele Pt)stuart, Florida31.3 °C 58Hillsborough River at Platt Street at Tampa, Florida31.3 °C 59Flat Creek Ds of Lake at Peachtree City, Georgia31.3 °C 60Lake Charlotte near Anahuac, Texas31.2 °C