National Weather Service Forecast for: Fountain Hills AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 2:15 pm MST Jul 26, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 106. Southwest wind 5 to 10 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 77. West wind around 5 mph becoming north northeast in the evening.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 108. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 80. West northwest wind around 5 mph becoming calm.
Mostly Clear
Monday

Monday: Sunny and hot, with a high near 110. Calm wind becoming west southwest around 5 mph in the afternoon.
Hot
Monday
Night
Monday Night: Mostly clear, with a low around 83. West northwest wind around 5 mph becoming east after midnight.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 108. East wind around 5 mph becoming west southwest in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 82. West wind around 5 mph becoming east in the evening.
Partly Cloudy
Wednesday

Wednesday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 106. East wind around 5 mph becoming southwest in the afternoon.
Slight Chance
T-storms
Hi 106 °F Lo 77 °F Hi 108 °F Lo 80 °F Hi 110 °F Lo 83 °F Hi 108 °F Lo 82 °F Hi 106 °F

 

This Afternoon
 
Sunny, with a high near 106. Southwest wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 77. West wind around 5 mph becoming north northeast in the evening.
Sunday
 
Sunny, with a high near 108. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 80. West northwest wind around 5 mph becoming calm.
Monday
 
Sunny and hot, with a high near 110. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 83. West northwest wind around 5 mph becoming east after midnight.
Tuesday
 
Sunny, with a high near 108. East wind around 5 mph becoming west southwest in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 82. West wind around 5 mph becoming east in the evening.
Wednesday
 
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 106. East wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 5 mph becoming east northeast after midnight.
Thursday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 107. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. West wind around 5 mph becoming calm after midnight.
Friday
 
Sunny, with a high near 108. Calm wind becoming west southwest around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Fountain Hills AZ.