PHOENIX (AZFamily) — Still hot enough for you? This massive ridge of high pressure that has dominated our weather pattern for the last week is slowly weakening and sliding off to our west.
After Wednesday’s record-breaking high of 118 degrees, Thursday morning’s low temperature at Phoenix Sky Harbor Airport was a sweltering 95 degrees. If that holds through midnight, it will break the warmest low record of 92 degrees recorded just last year! Thursday is our last First Alert Weather Day this week for the extreme heat.
Phoenix broke the record warm low for July 10th, with 95°F this morning. This is also only 2° shy of the record warmest low all time, 97°F on July 19, 2023, and is only the 14th time on record with 95+ °F for a low. El Centro, CA also broke their daily warm low record #azwx #cawx pic.twitter.com/a00VPHYVyn
— NWS Phoenix (@NWSPhoenix) July 10, 2025
It was already 100 degrees at Sky Harbor at 8:10 a.m. and hit 113 degrees mid-afternoon. That is how unusual this heat streak has been for this month of July.
But our heat wave has now peaked, and we will see daytime highs slowly falling as we go into the weekend. Highs forecast to be around 110 degrees Friday and barely below that number for the next 48-72 hours.
A shift in the monsoon flow should bring back surface-level moisture and a slight chance of showers starting Tuesday and progressively getting higher each day. With the increase in humidity, our daytime highs should settle back into the normal range by next Wednesday.
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