Pool season · Ohio
Newark Pool Season: the Year on One Bar
Last updated: July 25, 2026 · dates · water temp
One bar, one year, one Newark pool. The season bar below draws everything the model knows — opening window, prime season, closing window — against today's date, with the working details one click away on the opening and closing pages.
Newark, OH — 86 swim days a yearReading it takes ten seconds: 52 dots, one per week. Solid teal is Newark's swim season; the hollow teal run before it (April 28 to May 19) is when to open; the hollow amber run after is when to close, with October 3 as the deadline; gray is the covered season. Today's marker shows where you stand in that cycle right now.
The Newark pool calendar
Opening — target May 5
Target May 5; the practical window runs April 28–May 19, and the 7-day mean crosses the 61°F threshold around May 19. Cold-water starts are the cheap ones.
Closing — deadline October 3
Hold the cover until September 23, then winterize by October 3, a week ahead of the October 16 freeze normal. Late and cold beats early and warm.
Estimated water temperature by month
Monthly averages of the site's water model run on Newark'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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29° | 28° | 34° | 45° | 56° | 65° | 72° | 72° | 68° | 58° | 46° | 36° |
The curve peaks near 72°F — comfortable-water months here usually involve a heater or a solar cover.
Every station tells its own story: compare this curve with Middletown's pool season and Parma's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the Ohio season index.
Newark pool season FAQ
When should I open my pool in Newark, OH?
Target May 5. That date backs off two weeks from the day Newark's 7-day mean temperature reaches 61°F, so you start up in cold, algae-resistant water. Work the full checklist in the Newark opening guide.
When should I close my pool in Newark?
The closing deadline is October 3 — late enough that the water has cooled out of the algae zone, early enough to beat Newark's first-freeze normal by about a week. See the Newark closing guide for the winterizing steps.
How long is the swim season in Newark?
Newark averages 86 days a year with normal highs of 80°F or better — right on the statewide median. The Ohio season index ranks all 14 covered cities by the same metric.
How warm does pool water get in Newark?
An unheated pool near Newark typically peaks around 72°F in high summer and bottoms out near 27°F in winter, never quite reaching the 78°F comfort line without a heater or solar cover. The month-by-month curve above shows the whole cycle; the methodology page explains the ±5°F error bars.
Email me when Newark hits the closing window
Data: NOAA 1991–2020 climate normals via Newark Wtr Wks (1.3 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.