Arizona weather forecast: Warm, dry and mostly sunny conditions expected in Phoenix

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Evening Weather Forecast - 12/18/25

FOX 10's Erica Horvatin has more on our unseasonably warm weather in Arizona.

Thursday was a mild day in the Valley, with a high temperature of 76 degrees.

Today through The Weekend:

Skies were mostly sunny across the state, and temperatures were near-record high for all Arizona cities. Tonight will be clear and quiet. Overnight lows will fall to 52 degrees in the Valley.

Friday will be a mostly sunny day, with even warmer temperatures, statewide. Phoenix will climb to around 80 degrees during the afternoon.

The High Country will see temperatures in the 60s and even 70s. The winds will be gusty in the high country on Friday, gusting up to around 30 to 45 mph.

Winds will be a little lighter on Saturday, and even quieter on Sunday. Near-record and record warmth is expected for Arizona cities through the weekend and early next week.

Wet Christmas?

Looking Ahead:

A storm is likely to bring rain and slightly cooler temperatures to Arizona from next Tuesday, for Christmas and through next weekend.

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Morning Weather Forecast - 12/18/25

Thursday will be mostly sunny and a bit breezy in the Valley with highs in the upper-70s.

You can always check the latest weather conditions by visiting the FOX 10 Phoenix weather page, or download the Free FOX 10 Weather app, which is available on Apple iOS and Android.

Scroll down this page for satellite and radar, day planner, records, current temperatures, 10-day forecast, forecast highs, and recent rainfall totals, plus live video feeds.

Road Conditions

  • Call 511 anywhere in Arizona or 1-888-411-ROAD (7623)
  • az511.com

The Source: Information for this story was provided by the FOX 10 Weather Experts.

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