Phoenix, Arizona – Arizona’s relentless June sun returns in full force Wednesday as Phoenix prepares for a scorching 97°F and rising temps through the week. Residents and travelers should take precautions during peak afternoon hours, when UV exposure becomes dangerous and heat stress risks climb.
According to the National Weather Service in Phoenix, Wednesday, June 4 will be sunny and hot with calm winds shifting west around 5 mph. No cloud cover is expected, pushing UV indexes into the “very high” category. Heat will steadily increase into the weekend, with highs reaching 105°F by Saturday, June 7.
While no official heat advisory has been issued yet, those commuting on Interstate 10 or U.S. 60 should keep water and emergency supplies in their vehicles. Prolonged outdoor activity should be limited from 11 a.m. to 5 p.m., and vulnerable populations—particularly older adults—should remain in air-conditioned environments.
Evenings will offer minimal relief, with lows hovering in the upper 70s. By Sunday, June 8, highs may approach 108°F—making this one of the earliest sustained heatwaves of the season.
This extended hot stretch follows a mild May and signals the start of Phoenix’s long, dry summer. Officials recommend checking on elderly neighbors, limiting daytime exercise, and staying updated via AZ511 for roadway conditions.
⚠️ Next Update: Continued high pressure may push temperatures higher early next week. Monitor NWS alerts for possible weekend heat advisories.
