Arizona Weather This Week: Thanksgiving Sunshine in Tucson Before Cooler Air and Showers Arrive Sunday

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Arizona – The first light over the Catalina Mountains paints Tucson in soft gold this morning, the desert air still cool but steady. For now, the city sits in a stretch of quiet perfection — clear skies, calm winds, and mild air that feels like late autumn clinging to the desert floor.

According to the National Weather Service in Tucson, Thanksgiving travelers can expect excellent driving and flying conditions across southern Arizona through the holiday. Skies will stay mostly sunny with highs near 79°F on Thursday, ideal for outdoor family gatherings or last-minute travel on I-10 and I-19.

Friday brings another beautiful day with temperatures in the upper 70s and light winds, keeping Black Friday shopping trips and outdoor events comfortably warm. But residents should keep an eye on the west as a Pacific system develops, aiming to bring a light chance of rain showers by Sunday afternoon.

Forecasters say temperatures will dip into the upper 40s to low 50s at night this weekend, signaling a gradual transition toward cooler, early-December air. The late Sunday system could deliver scattered showers or even brief mountain snow flurries in higher elevations east of Tucson.

Heading into next week, highs cool into the upper 60s, and long-range models hint that an Arctic front sweeping across the U.S. could nudge southern Arizona into below-normal temperatures by December 2–5.

For now, though, Tucson holds onto picture-perfect Thanksgiving weather — sunny, dry, and comfortably warm, the kind of desert calm that feels tailor-made for a long holiday weekend before winter starts whispering its arrival.