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City of Tempe, ArizonaTempe, AZ Weather Forecast
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Tempe Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | | |  |  | | |  | |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Sunny |
| Lo: 84°FLo: 29°C | Hi: 107°FHi: 42°C | Lo: 84°FLo: 29°C | Hi: 106°FHi: 41°C | Lo: 86°FLo: 30°C | Hi: 107°FHi: 42°C | Lo: 85°FLo: 29°C | Hi: 104°FHi: 40°C | Lo: 82°FLo: 28°C | Hi: 102°FHi: 39°C | Lo: 81°FLo: 27°C | Hi: 100°FHi: 38°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1131 PM MST Mon Sep 07 2026 
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Issued: 1010 PM MST Mon Sep 7 2026
Key Messages
- Above normal temperatures will prevail starting Tuesday resulting in widespread moderate Heat Risk and areas of major Heat Risk.
- Extreme Heat Warnings will begin Tuesday for portions of the lower deserts.
- Mostly quiet weather conditions are expected for the first half of the week, then chances for thunderstorms increase across central and eastern Arizona during the latter half of the week.
Aviation
...Updated at 0510Z.
South Central Arizona including KPHX, KIWA, KSDL, and KDVT: No signi...