TL/DR –
Phoenix is experiencing temperatures around 10 degrees above the usual, with the forecast predicting 90-degrees Fahrenheit from Saturday through Tuesday. Despite the hot days, the nights and early mornings are expected to remain cool, with overnight lows dropping to the 50s to low 60s. However, temperatures are expected to drop again next week, ranging in the low 80s from Wednesday through Friday, due to a storm system tracking to the north.
Phoenix Experiences 90s Heatwave
The Valley of the Sun is experiencing a 90s weather comeback! With high pressure building in, temperatures are soaring to almost 10 degrees above the norm.
Typically, the last 90-degree day of the year occurs around October 30th. However, in 2020, the latest recorded 90-degree day was on November 17th.
Now, Phoenix is forecasted to see temperatures in the 90s from Saturday through Tuesday. Despite the heat, the early mornings and nights will remain pleasantly cool.
Valley residents can expect overnight lows to drop to the 50s and low 60s each day. But there’s relief in sight, with temperatures set to decrease next week as a storm system moves northward. Midweek highs across the Phoenix metro area are projected to dip into the low 80s.
Breezes are expected to increase across northern Arizona starting Sunday. Winds in the Valley, however, will remain under 10 mph.
2023 Rainfall Totals
So far, the Sky Harbor official rainfall stands at 3.03″, 2.92″ below the average. The Phoenix Rainfall Index records the Valley average at 4.17″. Daily rainfall reports from across the Valley can be accessed here.
Phoenix Experiences Lower Rainfall Averages
Phoenix has been getting progressively drier over the years. The average Monsoon rainfall has decreased from 2.71″ of rain (1981-2010) to 2.43″ of rain (1991-2020). Similarly, the average yearly rainfall has dropped from 8.03″ (1981-2010) to 7.22″ (1991-2020).
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