Pool season · Arizona
Scottsdale Pool Season: the Year on One Bar
Last updated: July 15, 2026 · dates · water temp
One bar, one year, one Scottsdale 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 Scottsdale's whole pool year into one lane rope: gray floats for the off-season, hollow teal for the February 28–March 21 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 Scottsdale pool calendar
Opening — target March 7
Open by March 7 — a two-week head start on the March 21 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline November 26
The window opens November 16 once water leaves the algae zone; the model deadline is November 26, a week ahead of the December 21 freeze normal.
Estimated water temperature by month
This is Scottsdale's typical-year water curve: the same EWMA model as the live widget, run on the 1991–2020 normals instead of this week's weather.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52° | 54° | 58° | 63° | 70° | 80° | 87° | 87° | 85° | 77° | 66° | 56° |
Warmest water typically June–September (peaking near 88°F); heaters and covers shift any month up.
Email me when Scottsdale hits the closing window
Data: NOAA 1991–2020 climate normals via Pinnacle Peak (2.8 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.