Williamson, AZ Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Williamson, AZ in one place.
Showers and thunderstorms likely between 11am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 90. North wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Williamson, 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 12, 2026 12:19 AM MST.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Williamson, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 12:19 AM MST
- Forecast office
- FGZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamson
Tuesday looks like the warmest upcoming period in Williamson at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 9 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 12:19 AM MST
- Coverage
- 5 days
- Time zone
- America/Phoenix
- Forecast office
- FGZ
- Radar station
- KFSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a slight chance of showers and thunderstorms between 11pm and 5am. Partly cloudy, with a low around 71. Northeast wind 2 to 7 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. South wind 2 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely. Partly sunny, with a high near 86. Southwest wind 3 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 11am, then showers and thunderstorms likely between 11am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. Southwest wind 3 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 11am, then showers and thunderstorms likely. Partly sunny, with a high near 82. Southwest wind 2 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Showers And Thunderstorms Likely
|
90°F |
6 to 9 mph
N
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms
|
71°F |
2 to 7 mph
NE
|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
90°F |
2 to 9 mph
S
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms
|
67°F |
5 mph
S
|
|
Thursday
Jul 16
|
Showers And Thunderstorms Likely
|
86°F |
3 to 9 mph
SW
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
66°F |
5 mph
S
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
83°F |
3 to 8 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
64°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
82°F |
2 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamson.