South Tucson, AZ Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for South Tucson, AZ in one place.
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 99. Heat index values as high as 100. East southeast wind 1 to 5 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for South Tucson, 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 14, 2026 6:46 PM MST.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for South Tucson, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 6:46 PM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in South Tucson
Wednesday looks like the warmest upcoming period in South Tucson at 99 degrees F.
Friday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Monday at about 1 to 6 mph W.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 6:46 PM MST
- Coverage
- 7 days
- Time zone
- America/Phoenix
- Forecast office
- TWC
- Radar station
- KEMX
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. Mostly cloudy, with a low around 77. South southwest wind around 3 mph. Chance of precipitation is 40%.
Showers and thunderstorms before 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 94. East wind around 3 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a high near 91. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of rain showers before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 96. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
99°F |
1 to 5 mph
ESE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
77°F |
3 mph
SSW
|
|
Thursday
Jul 16
|
Showers And Thunderstorms
|
94°F |
3 mph
E
|
|
Thursday Night
Jul 16
|
Showers And Thunderstorms Likely
|
72°F |
5 mph
SE
|
|
Friday
Jul 17
|
Showers And Thunderstorms
|
91°F |
3 mph
S
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
71°F |
3 mph
SSE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
92°F |
1 to 5 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
72°F |
5 mph
SSW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
94°F |
5 mph
WSW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
73°F |
5 mph
S
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
96°F |
1 to 6 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
74°F |
6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Tucson.