Phoenix, AZ Weekend Weather: Cool Mornings and Early December Warm-Up Ahead

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Cool morning
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Phoenix, AZ – A calm, golden sunrise opened Friday across central Arizona, with crisp 55°F air and clear skies stretching toward the horizon. Travelers heading home after the Thanksgiving rush can expect postcard-perfect conditions through Sunday — but a noticeable chill once the sun sets.

According to the National Weather Service, Friday’s high will reach near 75°F under full sunshine before cooling sharply into the upper 40s and low 50s tonight. Calm winds continue, making for smooth drives across I-10 and I-17. Those venturing north toward Flagstaff or the Mogollon Rim should pack layers, as overnight lows there could flirt with freezing by Sunday morning.

Saturday and Sunday remain sunny and mild, with highs hovering between 71°F and 74°F. Light winds and low humidity create ideal travel conditions for return trips across Arizona, though drivers should prepare for reduced visibility from early morning haze in desert valleys.

Meteorologists note a subtle pattern change arriving early next week. By Tuesday, a cooler, drier air mass may push into the state — a “December preview” bringing daytime highs back into the upper 60s and overnight lows dipping into the 40s. No rain is expected yet, but long-range models hint at a stronger front forming over the Rockies that could send colder air south by midweek.

Plan accordingly: enjoy the clear skies now, but keep jackets ready for brisk mornings ahead.
How’s the air feeling in your neighborhood today?


Five-Day Outlook for Phoenix, AZ:

  • Friday: Sunny, high 75°F.
  • Saturday: Sunny, high 74°F; low 49°F.
  • Sunday: Sunny, high 73°F; low 49°F.
  • Monday: Sunny, high 71°F; low 47°F.
  • Tuesday: Sunny, high 69°F.