Phoenix Weather This Weekend — What to Do When It's 98°F

A weekend guide to Phoenix: 98°F, rain on the books, and local picks that fit the forecast.

Photo: Wikipedia · Phoenix, Arizona

If you're deciding on Phoenix for 2026-09-19 – 2026-09-20, start with the numbers, then the plan.

Is Phoenix worth it this weekend?

The useful question is simple: does the outlook in Phoenix support the weekend you want?

Weekend air in Phoenix sits near 98°F / 75°F, plus a dry outlook with little to no rain — enough to decide whether the trip is on.

Treat Phoenix as the whole trip: build the day around dry heat and open sky, then fill gaps with the local picks below.

If the numbers still look good by Friday, lock the plan around 98°F — not a vague “nice weather somewhere.”

Go if the outlook still matches what you want. Phoenix is the trip — not a shortlist to compare.

Updated September 15, 2026. Not a substitute for local advisories.