NWS Forecast for Mesa, AZ
National Weather Service Forecast for: Mesa, AZ
Issued by: National Weather Service NWS Phoenix
Updated: Sat, 29-Aug-2026 3:12am MST

Mesa, Arizona
 
Today

Today: Sunny then Chance Showers And Thunderstorms
Sunny then Chance Showers And T-Storms
Sunday

Sunday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Monday

Monday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
 
Hi 110 °F Hi 104 °F Hi 99 °F Hi 100 °F Hi 103 °F Hi 106 °F Hi 107 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Monday
Night
Monday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
 
Lo 84 °F Lo 79 °F Lo 77 °F Lo 79 °F Lo 83 °F Lo 84 °F Lo 85 °F  

Extreme Heat Warning
Flood Watch
Air Quality Alert
 

Today
 
A chance of showers and thunderstorms after 1pm. Sunny. High near 110, with temperatures falling to around 107 in the afternoon. Heat index values as high as 111. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 5am. Partly cloudy. Low around 84, with temperatures rising to around 86 overnight. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
 
A chance of showers and thunderstorms between 1pm and 5pm, then showers and thunderstorms likely. Mostly sunny. High near 104, with temperatures falling to around 101 in the afternoon. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 79. South southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
 
Showers and thunderstorms likely. Partly sunny, with a high near 99. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday Night
 
Showers and thunderstorms likely before 5am. Partly cloudy, with a low around 77. East southeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tuesday
 
Sunny, with a high near 100. South wind 0 to 5 mph.
Tuesday Night
 
A slight chance of showers and thunderstorms between 11pm and 5am. Mostly clear, with a low around 79. West southwest wind 0 to 5 mph. Chance of precipitation is 20%.
Wednesday
 
Sunny, with a high near 103. South southwest wind 0 to 5 mph.
Wednesday Night
 
Mostly clear, with a low around 83. Southwest wind 0 to 5 mph.
Thursday
 
Sunny, with a high near 106. South wind 0 to 5 mph.
Thursday Night
 
Mostly clear, with a low around 84. South wind 0 to 5 mph.
Friday
 
Sunny, with a high near 107. South southwest wind 0 to 5 mph.
Friday Night
 
Mostly clear, with a low around 85. Northwest wind 0 to 5 mph.

 

Forecast from NOAA-NWS for Mesa, AZ.