Nebraska Pool Season: Opening & Closing Dates by City

Local dates for every featured Nebraska city — when the water warms up, when it cools off, and how long the season actually lasts.

City Opening window Closing window Season
Omaha May 11 – May 29 Sep 13 – Sep 28 ≈ 124 days
Lincoln May 12 – May 30 Sep 12 – Sep 27 ≈ 122 days
Scottsbluff Jun 1 – Jun 18 Aug 29 – Sep 16 ≈ 91 days

Windows show the stretch when each city's daily average passes through the low-to-mid 60s°F (1991–2020 NOAA records, nearest station to each city). Click a city for its month-by-month table and full season notes.

Season geography

Across Nebraska's featured cities, typical openings spread from May 20 to Jun 9, closings from Sep 7 to Sep 21, and the unheated season runs 91–124 days depending on where you are. Elevation, coastal water, and urban heat all pull real dates around, which is exactly why a state-level answer isn't enough.

For your exact town, the pool season lookup takes a ZIP code. Opening day itself is a chemistry job — the dosing calculator turns your first test reading of the year into exact amounts.

Nebraska planning pages

When to open — Nebraska When to close — Nebraska All states →