Pool season · Maryland
Salisbury Pool Season: the Year on One Bar
Last updated: July 15, 2026 · dates · water temp
One bar, one year, one Salisbury 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.
Each dot on the bar is one week of Salisbury's typical year, colored by what the model says that week is for: gray weeks are off-season, hollow teal marks the opening window (April 6–April 27), solid teal is swim season, and hollow amber is the closing window ending October 24. The black marker is today — its position against the colors is the entire executive summary.
The Salisbury pool calendar
Opening — target April 13
Target April 13; the practical window runs April 6–April 27, and the 7-day mean crosses the 61°F threshold around April 27. Cold-water starts are the cheap ones.
Closing — deadline October 24
The window opens October 14 once water leaves the algae zone; the model deadline is October 24, a week ahead of the November 7 freeze normal.
Estimated water temperature by month
Monthly averages of the site's water model run on Salisbury'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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 40° | 39° | 44° | 53° | 62° | 71° | 78° | 78° | 74° | 66° | 55° | 46° |
Warmest water typically July–August (peaking near 79°F); heaters and covers shift any month up.
Email me when Salisbury hits the closing window
Data: NOAA 1991–2020 climate normals via Salisbury (0.7 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.