For all sorts of lake-relatved recreation such as swimming boating,and fishing, this site provides mathematically generated instantaneous and 5-day predictions of lake surface water temperatures. Temperature prediction accuracy is expected to range between 1 to 3 degrees Fahrenheit.
 Search For Your Lake
example: "Minnetonka" for Lake Minnetonkaexample: "Palisades" for Upper Palisades Lakeexample: "Otter" for Otter Tail Lakedon't include the state name in the search
Five Day Forecast
Temperatures Right Now
Favorite Lakes
Saturday May 21
Hi: 57.5oF
Lo: 54.0oF
Water Temp: Hardy Swim!
Sunday May 22
Hi: 53.6oF
Lo: 52.3oF
Water Temp: Quite Cold
Monday May 23
Hi: 55.4oF
Lo: 51.7oF
Water Temp: Hardy Swim!
Tuesday May 24
Hi: 55.2oF
Lo: 53.1oF
Water Temp: Hardy Swim!
Wednesday May 25
Hi: 56.1oF
Lo: 53.9oF
Water Temp: Hardy Swim!
Lake Harriet   Minnesota
60.2oF60.2oF60.2oF
Water Temp: Hardy Swim!Water Temp: Hardy Swim!Water Temp: Hardy Swim!
search for your lakeexample: "Minnetonka" for Lake Minnetonkaexample: "Palisades" for Upper Palisades Lakeexample: "Otter" for Otter Tail Lakeno dashes, no commas, don't include lake in the name