Pool season · Louisiana
Lake Charles Pool Season: the Year on One Bar
Last updated: July 15, 2026 · dates · water temp
One bar, one year, one Lake Charles pool. The season bar below draws everything the model knows — opening window, prime season, closing window — against today's date, with the working details one click away on the opening and closing pages.
The bar compresses Lake Charles's whole pool year into one lane rope: gray floats for the off-season, hollow teal for the February 13–March 6 opening window, solid teal for swim weeks, hollow amber for the closing stretch that ends November 26. Wherever the today marker sits, the nearest color change is your next appointment.
The Lake Charles pool calendar
Opening — target February 20
Open by February 20 — a two-week head start on the March 6 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline November 26
Hold the cover until November 16, then winterize by November 26, a week ahead of the December 7 freeze normal. Late and cold beats early and warm.
Estimated water temperature by month
Monthly averages of the site's water model run on Lake Charles's own normals — the shape of a typical year, not a forecast. The widget above shows where the current year actually sits.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 54° | 55° | 60° | 66° | 73° | 80° | 83° | 84° | 82° | 76° | 66° | 58° |
Warmest water typically June–September (peaking near 84°F); heaters and covers shift any month up.
Email me when Lake Charles hits the closing window
Data: NOAA 1991–2020 climate normals via Lake Charles (5.3 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.