How cold can it get in Phoenix? Here’s the coldest temperature recorded in the Valley
On numerous occasions, the temperature in Phoenix has reached below 20 degrees.
Nov
2025
4
WEATHER
Oct
2025
28
Did recent storms affect Arizona’s drought? What the experts say about conditions
After several downpours fueled by tropical moisture from the Pacific Ocean, Arizona’s short-term drought has finally eased, at least a little.
Oct
2025
17
What will Arizona weather be like this winter? Here’s what we know
Arizonans looking forward to cooler winter weather may be disappointed this season.
Oct
2025
6
The hottest months in Arizona since 1895
These are the hottest months on record for Arizona. Can you guess any of them?
Sep
2025
15
Autumns in Phoenix are warmer than ever. What does the 2025 fall outlook say?
Forecasters say this fall will again tilt warmer and drier for Arizona, echoing a larger trend of autumn warming across the country.
Sep
2025
3
Too hot for rattlesnakes? Reptiles, cactuses struggle in Arizona’s extreme heat
From elusive jaguars to saguaro cactus, the changing climate is taking its toll on some of Arizona’s most iconic species, even those who have adapted to the desert heat over thousands of years.
Aug
2025
27
What to know about massive dust storms called haboobs in the US Southwest
Massive walls of dust and debris called haboobs that roll through the Southwest can be awe-inspiring and terrifying. Here's how they form.
Aug
2025
1
‘Fire clouds’ over Arizona and Utah wildfires are creating their own erratic climate
Two wildfires burning in the western United States—including one that has become a “megafire” on the North Rim of the Grand Canyon—are so hot that they are spurring the formation of “fire clouds” that can create their own erratic weather systems.
Jul
2025
9
The most extreme monsoons in Arizona history
Arizona’s monsoon season runs from June to September and often causes widespread devastation. Here are some of the most extreme monsoons in Arizona history.
Jul
2025
7
Monsoon season brings the promise of rain for the arid southwestern US
Forecasters say it has been a wet start to this year’s monsoon season, which officially began June 15 and runs through the end of September.
