National Weather Service Forecast for: Fountain Hills AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 12:12 am MST Dec 5, 2025
 
Overnight

Overnight: Mostly clear, with a steady temperature around 43. North wind around 5 mph.
Mostly Clear
Friday

Friday: Sunny, with a high near 65. North wind around 5 mph becoming calm.
Sunny
Friday
Night
Friday Night: Clear, with a low around 41. Calm wind.
Clear
Saturday

Saturday: Sunny, with a high near 67. Calm wind.
Sunny
Saturday
Night
Saturday Night: Clear, with a low around 44. Calm wind.
Clear
Sunday

Sunday: Sunny, with a high near 72. Northeast wind around 5 mph becoming calm.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 47. Calm wind becoming northeast around 5 mph after midnight.
Clear
Monday

Monday: Sunny, with a high near 75. Northeast wind around 5 mph becoming calm  in the morning.
Sunny
Monday
Night
Monday Night: Clear, with a low around 47. Northeast wind around 5 mph.
Clear
Lo 43 °F Hi 65 °F Lo 41 °F Hi 67 °F Lo 44 °F Hi 72 °F Lo 47 °F Hi 75 °F Lo 47 °F

 

Overnight
 
Mostly clear, with a steady temperature around 43. North wind around 5 mph.
Friday
 
Sunny, with a high near 65. North wind around 5 mph becoming calm.
Friday Night
 
Clear, with a low around 41. Calm wind.
Saturday
 
Sunny, with a high near 67. Calm wind.
Saturday Night
 
Clear, with a low around 44. Calm wind.
Sunday
 
Sunny, with a high near 72. Northeast wind around 5 mph becoming calm.
Sunday Night
 
Clear, with a low around 47. Calm wind becoming northeast around 5 mph after midnight.
Monday
 
Sunny, with a high near 75. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
 
Clear, with a low around 47. Northeast wind around 5 mph.
Tuesday
 
Sunny, with a high near 76. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
 
Mostly clear, with a low around 48. Calm wind becoming northeast around 5 mph.
Wednesday
 
Sunny, with a high near 75. Northeast wind around 5 mph becoming calm.
Wednesday Night
 
Clear, with a low around 50. Calm wind becoming northeast around 5 mph.
Thursday
 
Sunny, with a high near 77. Northeast wind around 5 mph becoming calm.

 

Forecast from NOAA-NWS for Fountain Hills AZ.