A vivid landscape of Phoenix highlighting the extreme summer heat.
Phoenix has reached a scorching new daily heat record of 114 degrees, surpassing the previous high of 113 degrees. This record was recorded at Phoenix Sky Harbor International Airport. An extreme heat warning has been issued by the National Weather Service as the city deals with soaring temperatures. Recent weather trends indicate Phoenix is experiencing its hottest summer on record, raising concerns about public safety during such high heat conditions. Residents are urged to remain vigilant and hydrated as the city faces ongoing heat waves.
Phoenix has officially set a new daily heat record of 114 degrees on Saturday, surpassing the previous record of 113 degrees that was set in 2011 and tied in 2018. This record-breaking temperature was registered at Phoenix Sky Harbor International Airport, which serves as the official observation site for the National Weather Service (NWS).
In response to the soaring temperatures, the NWS issued an extreme heat warning for both Friday and Saturday, highlighting the dangers posed by such high temperatures. Meteorologist Gabriel Lojero has indicated that an additional extreme heat warning is expected to follow after a brief dip in temperatures anticipated for Sunday and early next week.
The sweltering heat is part of a broader pattern observed in Phoenix. In August 2024, the city began with back-to-back days of 116 degrees, contributing to the third hottest August on record, which averaged 98.7 degrees. This follows the hot Augusts of 2023 (average of 98.8 degrees) and 2020 (average of 99.1 degrees).
The average high temperatures in Phoenix for August across 2023 and 2024 were nearly the same, recorded at 109.5 degrees and 109.4 degrees, respectively. In fact, Phoenix has experienced its hottest summer on record, dating back to 1896, with an average daily temperature of 98.9 degrees from June to August in 2024, surpassing the previous record of 97.0 degrees set in 2023.
The hottest day recorded in 2025 thus far occurred on July 9, when temperatures soared to 118 degrees. However, preceding this heatwave, July 2025 offered mild temperatures, with two days remaining below 100 degrees and several days with highs in the 90s.
This year’s weather has presented unusual patterns, including the absence of the typical monsoon system that usually brings moisture and helps to cool temperatures. While other parts of Arizona, such as Flagstaff and Tucson, experienced substantial rainfall, Phoenix recorded only 0.16 inches of rain in July 2025.
Meteorologist Tom Frieders noted that while the weather pattern has led to excessive heat, clouds from southern monsoon activity have helped moderate temperatures somewhat, even without providing significant rainfall.
As the summer season reaches its peak, local meteorologists are advising residents to prepare for rising temperatures. The extreme heat warnings highlight the importance of staying hydrated and taking precautions when outdoors to avoid heat-related illnesses.
Phoenix residents are encouraged to stay informed about local weather updates as the city contends with its ongoing heat wave and potential extreme temperatures in the coming weeks.
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