Pool season · Texas
College Station Pool Season: the Year on One Bar
Last updated: July 25, 2026 · dates · water temp
College Station's whole pool calendar, condensed: when the water warms, when it cools, and where today falls between those edges. Use the opening guide and closing guide for the step-by-step work; keep this page for the dates.
College Station, TX — 185 swim days a yearEach dot on the bar is one week of College Station's typical year, colored by what the model says that week is for: gray weeks are off-season, hollow teal marks the opening window (February 19–March 12), solid teal is swim season, and hollow amber is the closing window ending November 23. The black marker is today — its position against the colors is the entire executive summary.
The College Station pool calendar
Opening — target February 26
Open by February 26 — a two-week head start on the March 12 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline November 23
Hold the cover until November 13, then winterize by November 23, a week ahead of the November 30 freeze normal. Late and cold beats early and warm.
Estimated water temperature by month
Monthly averages of the site's water model run on College Station'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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52° | 53° | 59° | 66° | 73° | 80° | 84° | 86° | 84° | 76° | 65° | 56° |
Warmest water typically June–September (peaking near 86°F); heaters and covers shift any month up.
Every station tells its own story: compare this curve with Cedar Park's pool season and Conroe's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the Texas season index.
College Station pool season FAQ
When should I open my pool in College Station, TX?
The site model recommends opening by February 26 — about two weeks before College Station's 7-day mean temperature crosses 61°F, while the water is still too cold for algae. The step-by-step sequence is in the College Station opening guide.
When should I close my pool in College Station?
Winterize by November 23. The model holds the deadline a week ahead of College Station's NOAA 50% first-freeze date, so the plumbing is protected before the first hard night. The full sequence is in the College Station closing guide.
How long is the swim season in College Station?
College Station averages 185 days a year with normal highs of 80°F or better — about 10 days earlier than the Texas median. The Texas season index ranks all 68 covered cities by the same metric.
How warm does pool water get in College Station?
An unheated pool near College Station typically peaks around 86°F in high summer and bottoms out near 51°F in winter, spending roughly 4 months at or above the 78°F comfort line most swimmers prefer. The month-by-month curve above shows the whole cycle; the methodology page explains the ±5°F error bars.
Email me when College Station hits the closing window
Data: NOAA 1991–2020 climate normals via College Station (4.1 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.