PoolWindow

Pool season · Florida

Port St. Lucie Pool Season: the Year on One Bar

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

No opening date, no closing deadline: Port St. Lucie's season bar below is one long swim window with a comfort gradient. The spring refresh and winter care pages hold the practical checklists for a pool that never sleeps; this page is the dashboard that says which of them applies today.

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

off-season opening window swim season closing window

One color, 52 dots: Port St. Lucie's bar has no gray because the model never finds a week that forces a closing. Use the monthly water estimates below instead — the swing from 65°F to 83°F is what actually shapes swimming and maintenance here, from heater decisions at the cool end to sanitizer demand across the 212 days of genuine summer.

The Port St. Lucie pool calendar

Year-roundseason type
21280°F+ days
65°Fwater floor
83°Fwater peak

Spring refresh

The model finds no closing week in Port St. Lucie — maintenance is continuous, with a 212-day prime stretch of 80°F+ afternoons.

Open the refresh guide

Winter care

The model finds no closing week in Port St. Lucie — maintenance is continuous, with a 212-day prime stretch of 80°F+ afternoons.

Open the winter 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 Port St. Lucie water runs about 65°F at its winter floor and 83°F at its summer peak.

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

Estimated water temperature by month

This is Port St. Lucie's typical-year water curve: the same EWMA model as the live widget, run on the 1991–2020 normals instead of this week's weather.

Site-model seasonal water estimates for an unheated in-ground pool near Nettles Island — ±5°F, see methodology.
JanFebMarAprMayJunJulAugSepOctNovDec
66°66°68°72°76°80°82°83°83°81°75°70°

Warmest water typically June–October (peaking near 83°F); heaters and covers shift any month up.

Data: NOAA 1991–2020 climate normals via Nettles Island (10.3 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.