PHOENIX — The city of Phoenix saw its hottest day of the year on Wednesday.
The mercury hit 118 degrees at Phoenix Sky Harbor International Airport, which the National Weather Service uses for the city’s official readings, at 3:45 p.m. It also set a new daily heat record.
The previous record for July 9 of 116 degrees was set in 1958 and matched last year.
The normal Phoenix high temperature for this time of year is 107 degrees.
Phoenix breaks yet another daily heat record in 2025
Metro Phoenix is currently under an extreme heat warning through 8 p.m. Thursday.
The NWS issues extreme heat warnings when dangerous heat is happening or imminent.
Due to the elevated risk, the following Phoenix hiking trails are restricted from 8 a.m. to 5 p.m. on extreme heat warning days:
- Camelback Mountain: Echo Canyon Trail and Cholla trail.
- Phoenix Mountains Preserve: Piestewa Peak Summit Trail and associated trails.
- South Mountain Park and Preserve: Holbert Trail, Mormon Trail, Hau’Pal Loop Trail and access to the National Trail from the Pima Canyon Trailhead.
“Extreme heat is here, but relief is available,” Phoenix Mayor Kate Gallego said online.
People who need relief from the hot weather can access the various cooling and heat respite centers across the Valley. They can be found online or by calling 211.
Maricopa County health officials have confirmed six heat-related deaths so far this year, with another 225 cases still under investigation.
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