Fountain Hills, AZ Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Fountain Hills, AZ in one place.
A chance of showers and thunderstorms. Mostly sunny. High near 99, with temperatures falling to around 97 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Fountain Hills, AZ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 20, 2026 10:59 PM MST.
The active forecast window currently covers Jul 21 to Jul 27, 2026 for Fountain Hills, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 21 to Jul 27, 2026
- Latest sync
- Jul 20, 2026 10:59 PM MST
- Forecast office
- PSR
- Source
- NOAA / NWS
Daily Outlook
This Week in Fountain Hills
Saturday looks like the warmest upcoming period in Fountain Hills at 111 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 80 degrees F.
The strongest winds are forecast for Tuesday at about 5 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 20, 2026 10:59 PM MST
- Coverage
- 7 days
- Time zone
- America/Phoenix
- Forecast office
- PSR
- Radar station
- KIWA
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then a slight chance of showers and thunderstorms between midnight and 3am, then a chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers and thunderstorms between 4am and 5am. Mostly cloudy. Low around 80, with temperatures rising to around 82 overnight. Northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 102. South wind 0 to 5 mph.
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 84. North northeast wind around 5 mph.
Sunny, with a high near 108. South southeast wind 0 to 5 mph.
Mostly clear, with a low around 86. North northeast wind 0 to 5 mph.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 110. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 87. North wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 111. Southwest wind 0 to 5 mph.
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 87. Northwest wind around 5 mph.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 110. West wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 85. East northeast wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 107. South southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
99°F |
5 mph
SW
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms
|
80°F |
5 mph
NE
|
|
Wednesday
Jul 22
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
102°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
84°F |
5 mph
NNE
|
|
Thursday
Jul 23
|
Sunny
|
108°F |
0 to 5 mph
SSE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
86°F |
0 to 5 mph
NNE
|
|
Friday
Jul 24
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
110°F |
0 to 5 mph
S
|
|
Friday Night
Jul 24
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
87°F |
0 to 5 mph
N
|
|
Saturday
Jul 25
|
Sunny then Slight Chance Showers And Thunderstorms
|
111°F |
0 to 5 mph
SW
|
|
Saturday Night
Jul 25
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
87°F |
5 mph
NW
|
|
Sunday
Jul 26
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
110°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 26
|
Slight Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
ENE
|
|
Monday
Jul 27
|
Mostly Sunny then Chance Showers And Thunderstorms
|
107°F |
0 to 5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fountain Hills.
