PoolWindow

Pool season · California

Glendale Pool Season: the Year on One Bar

Last updated: July 15, 2026 · dates · water temp

This is the one-page view of Glendale's pool year: both model windows, the estimated water-temperature curve, and today's live position on the season bar. The detailed checklists live on the opening and closing guides; this page is the calendar you check between them.

J F M A M J J A S O N D today (build date)

off-season opening window swim season closing window

Reading it takes ten seconds: 52 dots, one per week. Solid teal is Glendale's swim season; the hollow teal run before it (March 18 to April 8) is when to open; the hollow amber run after is when to close, with November 23 as the deadline; gray is the covered season. Today's marker shows where you stand in that cycle right now.

The Glendale pool calendar

March 25open by
November 23close by
12980°F+ days
76°Fwater peak

Opening — target March 25

Target March 25; the practical window runs March 18–April 8, and the 7-day mean crosses the 61°F threshold around April 8. Cold-water starts are the cheap ones.

Full opening guide

Closing — deadline November 23

Hold the cover until November 13, then winterize by November 23, a week ahead of the December 26 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 Glendale water runs about 55°F at its winter floor and 76°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 Glendale's own normals — the shape of a typical year, not a forecast. The widget above shows where the current year actually sits.

Site-model seasonal water estimates for an unheated in-ground pool near Burbank Valley Pump Plt — ±5°F, see methodology.
JanFebMarAprMayJunJulAugSepOctNovDec
55°56°58°61°64°67°72°75°75°71°64°57°

The curve peaks near 76°F — comfortable-water months here usually involve a heater or a solar cover.

Data: NOAA 1991–2020 climate normals via Burbank Valley Pump Plt (5.8 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.