San Tan Valley, AZ Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for San Tan Valley, AZ in one place.
Mostly clear, with a low around 57. South wind 5 to 10 mph.
Local Weather Overview
This forecast page for San Tan Valley, 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: Apr 9, 2026 2:25 PM MST.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for San Tan Valley, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:25 PM MST
- Forecast office
- PSR
- Source
- NOAA / NWS
Daily Outlook
This Week in San Tan Valley
Wednesday looks like the warmest upcoming period in San Tan Valley at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:25 PM MST
- Coverage
- 5 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
Mostly sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 25 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 5am. Partly cloudy, with a low around 49. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 77. West southwest wind 0 to 10 mph.
Clear, with a low around 49. North northeast wind 0 to 5 mph.
Sunny, with a high near 85. West southwest wind 0 to 5 mph.
Mostly clear, with a low around 54. Northeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday Night
Apr 11
|
Mostly Clear
|
57°F |
5 to 10 mph
S
|
|
Sunday
Apr 11
|
Mostly Sunny
|
83°F |
5 to 15 mph
SSW
|
|
Sunday Night
Apr 12
|
Mostly Cloudy then Slight Chance Rain Showers
|
57°F |
5 to 15 mph
SW
|
|
Monday
Apr 12
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
5 to 15 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms
|
49°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 13
|
Sunny
|
77°F |
0 to 10 mph
WSW
|
|
Tuesday Night
Apr 14
|
Clear
|
49°F |
0 to 5 mph
NNE
|
|
Wednesday
Apr 14
|
Sunny
|
85°F |
0 to 5 mph
WSW
|
|
Wednesday Night
Apr 15
|
Mostly Clear
|
54°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Tan Valley.