WEATHER STORY
Phoenix
Weather Forecast Office
Warming Temperatures Increasing Moisture Late Week 2025 Monsoon Season Rainfall September 2025 Climate Summary
Temperatures will gradually warm each day this week, reaching the mid-to-upper 90s across the lower deserts around midweek and around 100 degrees in the Phoenix Metro late-week. These temperatures result in widespread Minor to locally Moderate HeatRisk for those extremely sensitive to the heat, especially without effective cooling or adequate hydration.

Data Courtesy of Phoenix Weather Forecast Office