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MOST ACCURATE FORECAST: Unseasonably hot weather continues

Hot and dry start
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PHOENIX — Hot and dry weather will continue for the next few days!

Look for Valley highs in the low 100s through Friday as high pressure remains firmly in control.

On average, Phoenix sees its last 100-degree day in early October, but there are some years the triple-digit heat hangs on until just days before Halloween.

Overnight lows will remain unseasonably warm too, only cooling into the upper 70s to low 80s each day.

It will be even hotter in western Arizona. An Extreme Heat Watch is in effect Wednesday through Friday for Yuma and the Lower Colorado River Valley, where highs could reach near record levels.

We're also tracking Hurricane Rachel in the Eastern Pacific. Moisture from Rachel will team up with an incoming storm system to bring rain chances back to Arizona as early as Saturday evening, with the best chances Sunday and Monday.

It will also bring much cooler weather. Valley highs drop from the mid 90s Saturday to the low to mid 80s by Monday.

Stay tuned for further updates.

2026 Sky Harbor Official Rainfall to date: 2.78" (-2.68" from average)

Monsoon 2026 Sky Harbor Official Rainfall: 2.46" (+0.03" from average)
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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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See the full 7-Day forecast

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