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Phoenix's Leading Local News: Weather, Traffic, Sports and more | Phoenix, Arizona | 12NEWS.com

Triple-digit temperatures expected for first full day of fall

We’ll enjoy temperatures starting out in the 70s and 80s and we won’t see 100 degrees until the early- to mid-afternoon hours.

PHOENIX — It is the first full day of autumn and yet we continue to run a little above average with highs in the low 100s. 

The good news is we’ll enjoy temperatures starting out in the 70s and 80s and we won’t see 100 degrees until the early- to mid-afternoon hours.

Rain chances on Wednesday will be extremely limited; there may be spotty showers or an isolated thunderstorm popping up in the White Mountains, but the rest of Arizona is expected to remain dry. 

Following Wednesday, the entire state should remain dry for the rest of the week.

Temperatures will be trending a few degrees above normal this week all across the state, but looking towards the end of September, a very strong and dominant ridge will be moving into the western half of the country. 

This means we could see a surge in temperatures to close out the month and a very warm start to October. This will be something we keep a close eye on for you.

WEDNESDAY: 78/102 sunny

THURSDAY: 77/103 sunny

FRIDAY: 79/104 sunny

SATURDAY: 78/103 sunny

SUNDAY: 77/105 sunny

MONDAY: 78/106 near record heat

TUESDAY: 78/107 record heat

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