PoolWindow

Pool closing · California

When to Close Your Pool in Inglewood, CA: Deadline, Window & Checklist

Last updated: July 15, 2026 · Model window year: 2026 · dates · checklist · FAQ

Two dates decide a Inglewood closing: November 22, when the 7-day mean drops back through 61°F and the water goes algae-quiet, and December 2, the model deadline set a safe week ahead of the January 5 first-freeze normal. Everything on this page — live water estimate, window, winterizing sequence — exists to land you between them.

Live water estimate

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 Inglewood water runs about 57°F at its winter floor and 72°F at its summer peak.

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

Inglewood closing dates at a glance

Site model of NOAA 1991–2020 daily normals for Hawthorne Municipal Airport (2.4 mi from Inglewood city center). Dates are typical-year guidance, not forecasts.
Closing windowNovember 22 – December 2
Close by (deadline)December 2
First freeze, 50% probabilityJanuary 5
Open by (recommended)March 15
Opening windowMarch 8 – March 29
61°F crossing (7-day mean)March 29
Swim-season length (80°F+ days)0 days
NOAA normals stationHawthorne Municipal Airport · 2.4 mi · 63 ft

A short season cuts both ways: every week opened before March 29 is a real slice of Inglewood's roughly 0-day warm-swim budget.

The same model in water terms: Inglewood's estimated pool temperature runs about 62°F in mid-April, 66°F in mid-June, 72°F in mid-August, and 69°F in mid-October, peaking near 72°F. Those four checkpoints — not any calendar holiday — are what the windows above are protecting.

The 12-step Inglewood winterizing checklist

Sequenced against Inglewood's November 22–December 2 window: chemistry while the pump still runs, blowouts before the equipment drains, cover last. Labels dictate every dose.

  1. Balance the water a few days ahead

    Do the chemistry midweek, close on the weekend: alkalinity and pH into label ranges with days of circulation left to spread them. Winter locks in whatever state the water holds on closing day.

  2. Deep-clean the pool

    Skim, brush walls and steps, and vacuum carefully. Any leaves or algae you seal under the cover become spring's chemistry problem, so closing day cleanliness pays twice.

  3. Service the filter one last time

    Backwash sand or DE, or pull and rinse cartridges, per the manual. A filter stored dirty cakes over winter and starts spring half-clogged.

  4. Apply winter chemicals per label

    Run the winter kit through moving water: dose each product per its label with the pump on, give it a few hours to distribute, then start the shutdown. Chemistry added to still water stays where it lands.

  5. Lower the water level

    Your cover's manual sets the number — commonly a few inches under the skimmer for solid covers, barely below normal for mesh. Stop there. The remaining water isn't laziness; it's ballast holding the shell in the ground.

  6. Blow out the lines and plug returns

    Work line by line: push air until the return spits dry mist, plug it against the flowing air, move on. Skimmer, returns, cleaner line, in whatever order your plumbing prefers — dry pipes are the entire point of closing.

  7. Protect the skimmer

    Seat a skimmer guard or bottle in the throat — ice that forms there needs a sacrifice, and a two-dollar bottle beats a plumbing repair under the deck.

  8. Add pool antifreeze where blowouts fall short

    If any line can't be verified dry, add pool-grade antifreeze per its label. Use only pool antifreeze — automotive products don't belong in pool plumbing.

  9. Drain the equipment

    Every vessel on the pad — pump, filter, heater, chlorinator — gets its drain plugs pulled. Drop all the plugs in the pump basket; that's the one place everyone looks first in spring.

  10. Set the air pillow and cover

    Center an inflated air pillow, then fit the cover and secure it with water bags, cable, or straps as designed. The pillow gives ice a place to push besides your walls.

  11. Remove and store ladders and rails

    Pull ladders, rails, and the diving-board hardware; rinse, dry, and store them out of the weather. Anchor sockets get a dab of protectant so spring bolts turn freely.

  12. Store chemicals properly

    Seal opened containers, keep oxidizers and acids separated, and store everything cool, dry, and locked away from kids and pets — exactly as each label describes.

What to buy before the rush

A small stack of supplies turns the checklist above into a single-weekend job. Buy before Inglewood's November rush and the whole list ships at leisure instead of sprinting.

  • Expansion plugs + skimmer guard

    The blowout's finishing move — one per return, one for the skimmer.

  • Pool antifreeze

    Backup for unverifiable lines; label rate per foot of pipe.

  • Winter closing kit

    The under-the-cover chemistry, measured for your gallons.

  • Air pillow

    Gives ice somewhere to push besides your pool walls.

  • Winter cover

    The one purchase every other closing step depends on.

  • Cover pump

    Keeps rain and melt off a solid cover all season.

How Inglewood compares locally

Inglewood closes in the earliest quarter of California's calendar. Neighbors run close: Hawthorne (3 mi away) models its deadline at December 2 (the same day vs Inglewood's December 2), while Redondo Beach (7 mi) shows November 25. The spring mirror of this page is the Inglewood opening guide, and the season overview draws both windows on a single bar.

Every number on this page traces to one instrument cluster: Hawthorne Municipal Airport, 2.4 miles south of Inglewood's center at an elevation near 63 feet. NOAA computed its 1991–2020 normals from roughly three decades of daily readings — long enough that one strange spring in Los Angeles County barely moves the dates.

Field notes for Inglewood owners

The skimmer is the most breakable part you own

Skimmer bodies crack because water freezes inside the throat with nowhere to push. A sacrificial bottle or spring-loaded guard absorbs that expansion for a few dollars. It's the highest-return item in the entire closing kit relative to what it protects.

What comes indoors

Cartridges, the cover pump when idle, chemical containers, and anything with a small motor overwinter better in the garage. Cold cycling is hard on plastics and seals; shelf space is cheaper than replacements. Label a single bin now and spring assembly becomes a scavenger hunt with a map.

Match the drainage plan to the cover

Solid covers shed nothing — they need a cover pump staged before the first storm and checked after each one. Mesh covers drain themselves but pass silt that settles all winter. Either way, the plan is decided in October, not improvised in January when the cover is an ice sheet.

Hard-winter homework

Where winter is long — Inglewood banks only about 0 warm-swim days — the closing carries months of load. Bury the effort where it counts: verified-dry lines, fully drained equipment, a skimmer guard, and a cover secured for real wind. A short season forgives a late opening; it never forgives a cracked pump.

Inglewood pool closing FAQ

What temperature should water be to close a pool?

The practical target is water in the low 60s°F or below at closing day. Our Inglewood model has the sustained cool-down starting November 22; closing between then and December 2 means chemistry stays put and the spring reveal is a mild one.

Can you close a pool too early?

Absolutely. A pool closed warm is an algae incubator: no circulation, fading sanitizer, and weeks of growth-friendly temperatures. Inglewood's water doesn't settle below the risk zone until around November 22 — closing much before that trades a few weekends of maintenance for a rough spring.

Do I need antifreeze in pool lines?

Blown-out, plugged lines don't need it; doubtful lines do. Use only antifreeze labeled for pools, at the label's rate per foot of pipe — never automotive antifreeze. In Inglewood the freeze clock starts around January 5, so settle this during closing, not during the first cold snap.

How far should I drain my pool for winter?

Follow the cover's instructions first: solid covers usually want water a few inches below the skimmer; some mesh setups run higher with the skimmer sealed. The hard rule is never empty — hydrostatic pressure can lift or crack an empty pool, a far worse outcome than any freeze.

What happens if you don't winterize a pool?

The freeze finds every shortcut. Ice in an unprotected pump or heater cracks castings from the inside; ice in underground lines splits fittings you can't see until spring. Inglewood reaches freeze territory around January 5 — the checklist above is cheaper than any one of those repairs.

When is the last safe date to close in Inglewood?

Our model's practical deadline is December 2 — set by the cool-down plus ten days (the freeze normal, January 5, leaves room to spare). Push much past it and you're winterizing in freeze-warning weather, rushing the blowout, and hoping the cover goes on before the first hard night. Inside the November 22–December 2 window, none of that drama applies.

Data: NOAA 1991–2020 climate normals via Hawthorne Municipal Airport (2.4 mi); live outlook by Open-Meteo. Full attribution on the sources page. Model assumptions and error bars on methodology.