PHOENIX — Fall 2023 is officially going down as the warmest fall on record in Phoenix.
The average temperature at Sky Harbor for September, October, and November, was 80.8 degrees. That tops the previous record in 2020 of 80.1 degrees.
As high pressure builds in this week, we have another big warm-up coming.
Valley highs will soar to nearly 15 degrees above normal and into record territory on Tuesday and Wednesday.
The current records are 82 degrees on Tuesday (set in 2012) and 83 degrees on Wednesday (set in 1939). We will likely be within a degree or two of those records in Phoenix as highs top out in the low 80s.
Overnight lows will warm up a bit, too. Look for Valley temperatures in the 50s each morning this week.
Our ridge of high pressure will break down later this week as another storm system passes to our north.
Breezes will pick up on Friday and temperatures will drop into the upper 60s by Saturday as cooler air moves in.
We aren't expecting any rain in the Valley, but we could see spotty showers in northern Arizona on Friday as that next storm passes by.
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2023 Rainfall totals:
Sky Harbor Official Rainfall: 3.45" (-3.12" from average)
Valley Average (Phoenix Rainfall Index): 4.63"
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Daily rainfall reports from all across the Valley can be found here.
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PHOENIX IS GETTING DRIER - LOWER RAINFALL AVERAGES NOW
Average Monsoon Rainfall in Phoenix (1981-2010): 2.71" of rain
NEW Average Monsoon Rainfall in Phoenix (1991-2020): 2.43" of rain
Average Yearly Rainfall in Phoenix (1981-2010): 8:03" of rain
NEW Average Yearly Rainfall in Phoenix (1991-2020): 7.22" of rain
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