National Weather Service Forecast for: Fountain Hills AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 4:18 am MST Dec 22, 2025
 
Today

Today: Sunny, with a high near 83. North wind around 5 mph becoming calm in the morning.
Sunny

 Tonight

Tonight: Partly cloudy, with a low around 54. Calm wind becoming north around 5 mph after midnight.
Partly Cloudy

 Tuesday

Tuesday: Increasing clouds, with a high near 80. North northeast wind around 5 mph becoming south southwest in the afternoon.
Increasing
Clouds
 Tuesday
Night
Tuesday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 60. West wind around 5 mph becoming east northeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely
 Wednesday

Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 74. East southeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Wednesday
Night
Wednesday Night: Showers. Low around 61. East southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Showers

 Christmas
Day
Christmas Day: Showers. High near 71. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers then
Showers
Likely
 Thursday
Night
Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.
Chance
Showers
 Friday

Friday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 71. East southeast wind around 5 mph becoming southwest in the afternoon.
Chance
Showers
Hi 83 °F Lo 54 °F Hi 80 °F Lo 60 °F Hi 74 °F Lo 61 °F Hi 71 °F Lo 56 °F Hi 71 °F

 

Today
 
 Sunny, with a high near 83. North wind around 5 mph becoming calm in the morning.
Tonight
 
 Partly cloudy, with a low around 54. Calm wind becoming north around 5 mph after midnight.
Tuesday
 
 Increasing clouds, with a high near 80. North northeast wind around 5 mph becoming south southwest in the afternoon.
Tuesday Night
 
 Showers likely, mainly after 11pm. Cloudy, with a low around 60. West wind around 5 mph becoming east northeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 74. East southeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
 
 Showers. Low around 61. East southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Showers. High near 71. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.
Friday
 
 A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 71. East southeast wind around 5 mph becoming southwest in the afternoon.
Friday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 50. Calm wind.
Saturday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 68. Calm wind becoming south southeast around 5 mph.
Saturday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 47. Northeast wind around 5 mph.
Sunday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 70. Northeast wind around 5 mph.

 

Forecast from NOAA-NWS for Fountain Hills AZ.