National Weather Service Forecast for: Fountain Hills AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 10:24 am MST Jul 8, 2025
 
This
Afternoon
This Afternoon: Sunny and hot, with a high near 111. West wind 5 to 10 mph.
Hot
Tonight

Tonight: Mostly clear, with a low around 85. West wind around 5 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny and hot, with a high near 115. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 85. West wind around 5 mph becoming calm  after midnight.
Mostly Clear
Thursday

Thursday: Sunny and hot, with a high near 111. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Hot
Thursday
Night
Thursday Night: Mostly clear, with a low around 84. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear
Friday

Friday: Sunny, with a high near 107. Light west southwest wind becoming west 5 to 10 mph in the morning.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 82. West wind 5 to 10 mph becoming light northwest  after midnight.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 107. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunny
Hi 111 °F Lo 85 °F Hi 115 °F Lo 85 °F Hi 111 °F Lo 84 °F Hi 107 °F Lo 82 °F Hi 107 °F

Extreme Heat Warning
 

This Afternoon
 
Sunny and hot, with a high near 111. West wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 85. West wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny and hot, with a high near 115. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 85. West wind around 5 mph becoming calm after midnight.
Thursday
 
Sunny and hot, with a high near 111. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
 
Mostly clear, with a low around 84. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
 
Sunny, with a high near 107. Light west southwest wind becoming west 5 to 10 mph in the morning.
Friday Night
 
Mostly clear, with a low around 82. West wind 5 to 10 mph becoming light northwest after midnight.
Saturday
 
Sunny, with a high near 107. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 81. West wind around 5 mph becoming calm after midnight.
Sunday
 
Sunny, with a high near 108. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 82. West wind around 5 mph becoming calm after midnight.
Monday
 
Sunny, with a high near 109. Light west northwest wind becoming west southwest 5 to 10 mph in the afternoon.

 

Forecast from NOAA-NWS for Fountain Hills AZ.