Live data from NOAA, USGS and EPA

Water, sun and frost, for wherever you are

Beach and lake water temperatures, today’s UV forecast, and frost dates and growing zones for any US city or ZIP code. Every number shows its source and when it was measured.

83°F
Warmest water right now Waikiki, HI

Beach water temperatures today

All water temperatures

UV index today and frost dates

CityUV todayLast frost
New York, NY—Apr 1
Los Angeles, CA—Jan 2
Chicago, IL—Apr 10
Houston, TX—Feb 2
Phoenix, AZ—Jan 8
Philadelphia, PA—Mar 30
San Antonio, TX—Feb 25
San Diego, CA—Jan 6
Dallas, TX—Mar 2
Fort Worth, TX—Mar 5
Jacksonville, FL—Feb 1
Austin, TX—Feb 20

UV index · Frost dates