Pool season · California
Murrieta Pool Season: the Year on One Bar
Last updated: July 15, 2026 · dates · water temp
Murrieta'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.
The bar compresses Murrieta's whole pool year into one lane rope: gray floats for the off-season, hollow teal for the March 23–April 13 opening window, solid teal for swim weeks, hollow amber for the closing stretch that ends December 1. Wherever the today marker sits, the nearest color change is your next appointment.
The Murrieta pool calendar
Opening — target March 30
Open by March 30 — a two-week head start on the April 13 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline December 1
Hold the cover until November 21, then winterize by December 1, a week ahead of the January 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 Murrieta'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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57° | 57° | 58° | 60° | 63° | 66° | 72° | 75° | 76° | 73° | 67° | 59° |
The curve peaks near 76°F — comfortable-water months here usually involve a heater or a solar cover.
Email me when Murrieta hits the closing window
Data: NOAA 1991–2020 climate normals via Fallbrook 5 NE (9.2 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.