PoolWindow

Pool season · Indiana

Fort Wayne Pool Season: the Year on One Bar

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

Fort Wayne'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.

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 Fort Wayne's swim season; the hollow teal run before it (April 24 to May 15) is when to open; the hollow amber run after is when to close, with October 6 as the deadline; gray is the covered season. Today's marker shows where you stand in that cycle right now.

The Fort Wayne pool calendar

May 1open by
October 6close by
8480°F+ days
74°Fwater peak

Opening — target May 1

Target May 1; the practical window runs April 24–May 15, and the 7-day mean crosses the 61°F threshold around May 15. Cold-water starts are the cheap ones.

Full opening guide

Closing — deadline October 6

Hold the cover until September 26, then winterize by October 6, a week ahead of the October 21 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 Fort Wayne water runs about 25°F at its winter floor and 74°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 Fort Wayne'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 Ft Wayne International Airport — ±5°F, see methodology.
JanFebMarAprMayJunJulAugSepOctNovDec
27°26°34°45°56°67°73°73°69°59°47°35°

The curve peaks near 74°F — comfortable-water months here usually involve a heater or a solar cover.

Data: NOAA 1991–2020 climate normals via Ft Wayne International Airport (8.8 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.