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After Phoenix's record-breaking March, April is off to an unseasonably warm start

The sun shines over Phoenix on April 1, 2026.
Sky Schaudt
/
KJZZ
The sun shines over Phoenix on April 1, 2026.

After a record-shattering March, April has been off to a much hotter-than-normal start in Phoenix.

According to National Weather Service data, temperatures have averaged about 8.3 degrees above-normal so far this month — the third-hottest start to April on record in Phoenix.

And National Weather Service meteorologist Mark O’Malley said the months ahead could bring more above-normal heat to the Valley.

“Currently, the odds are tilted slightly toward the spring and the summer ending up warmer-than-average,” O’Malley said.

Odds are tilted slightly toward the spring and the summer ending up warmer-than-average in Arizona, according to the National Weather Service.
National Weather Service
Odds are tilted slightly toward the spring and the summer ending up warmer-than-average in Arizona, according to the National Weather Service.

O’Malley says temperatures in the Valley should drop a bit early next week.

“By Sunday, temperatures will only be in the lower to middle 80s for highs,” O’Malley said. “And then early next week, Monday and Tuesday, should be delightful around the Phoenix area, with highs only in the upper 70s to low 80s.”

But O’Malley doesn’t expect the cooldown will last long. He expects the mid- to upper 80s will be back by the end of next week.

Latest on Arizona heat

Katherine Davis-Young is a senior field correspondent reporting on a variety of issues, including public health and climate change.