Live forecast for Phoenix, AZ — updated in real time. Check today's temperature, UV index, hourly breakdown, and 14-day outlook.
Phoenix has a hot desert climate and is one of the hottest major cities in the United States. Summer temperatures routinely exceed 40°C, and the intense sun pushes UV index levels into the extreme range — outdoor activity is safest early in the morning.
Winters are mild, sunny, and very pleasant, which is why the region is a popular cold-weather escape. Rainfall is scarce, but the summer monsoon season from July to September can bring sudden thunderstorms, dust storms (haboobs), and brief heavy downpours.
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