PoolWindow

Pool season · Texas

Pflugerville Pool Season: the Year on One Bar

Last updated: July 25, 2026 · dates · water temp

One bar, one year, one Pflugerville 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.

Resort pool at dusk in a hot, long-season climatePflugerville, TX — 177 swim days a year
J F M A M J J A S O N D today (build date)

off-season opening window swim season closing window

The bar compresses Pflugerville'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 13. Wherever the today marker sits, the nearest color change is your next appointment.

The Pflugerville pool calendar

March 7open by
November 13close by
17780°F+ days
85°Fwater peak

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.

Full opening guide

Closing — deadline November 13

Hold the cover until November 5, then winterize by November 13, a week ahead of the November 20 freeze normal. Late and cold beats early and warm.

Full closing guide

Where the water sits today

SEASONAL VIEW

Estimated unheated pool water temp (site model, ±5°F). The live estimate loads in your browser from Open-Meteo air temperatures; in a typical year Pflugerville water runs about 48°F at its winter floor and 85°F at its summer peak.

40 45 50 55 60 65 70 75 80 85 58 open 65 algae

Estimated water temperature by month

Monthly averages of the site's water model run on Pflugerville's own normals — the shape of a typical year, not a forecast. The widget above shows where the current year actually sits.

40°50°60°70°80°90°100°JanFebMarAprMayJunJulAugSepOctNovDec65° algae zone58° swimmable startopen Mar 7close Nov 1385°F peak48°F floor
Site-model seasonal water estimates for an unheated in-ground pool near Austin Great Hills — ±5°F, see methodology.
JanFebMarAprMayJunJulAugSepOctNovDec
48°51°57°64°70°79°83°85°81°74°63°53°

Warmest water typically June–September (peaking near 85°F); heaters and covers shift any month up.

Every station tells its own story: compare this curve with Pearland's pool season and Pharr's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the Texas season index.

Pflugerville pool season FAQ

When should I open my pool in Pflugerville, TX?

Open by March 7 — the model places Pflugerville's 61°F crossing about two weeks later, and every warm day you wait pushes the water toward the 65°F algae zone. The Pflugerville opening guide has the 12-step sequence.

When should I close my pool in Pflugerville?

Close by November 13: cool water keeps its winter chemistry, but freeze damage is the hard stop. The Pflugerville closing guide sequences the work backward from that date.

How long is the swim season in Pflugerville?

Pflugerville averages 177 days a year with normal highs of 80°F or better — right on the statewide median. The Texas season index ranks all 68 covered cities by the same metric.

How warm does pool water get in Pflugerville?

An unheated pool near Pflugerville typically peaks around 85°F in high summer and bottoms out near 48°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.

Data: NOAA 1991–2020 climate normals via Austin Great Hills (10.1 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.