Pima County, AZ Weather Forecast
County weather hub
Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Pima County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 98. West northwest wind 5 to 8 mph.
County Weather Overview
This county weather page brings together forecast coverage for Pima County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Pima County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 4:16 PM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in Pima County
Wednesday looks like the warmest upcoming period in Pima County at 103 degrees F.
Monday Night is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 9 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 4:16 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. Partly cloudy, with a low around 78. West northwest wind 2 to 8 mph.
Sunny, with a high near 102. North wind 3 to 8 mph.
Partly cloudy, with a low around 81.
Sunny, with a high near 103.
Partly cloudy, with a low around 81.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 103.
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 80.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 103. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 80. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 102. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
5 to 8 mph
WNW
|
|
Monday Night
Aug 24
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
78°F |
2 to 8 mph
WNW
|
|
Tuesday
Aug 25
|
Sunny
|
102°F |
3 to 8 mph
N
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
81°F |
3 to 8 mph
SW
|
|
Wednesday
Aug 26
|
Sunny
|
103°F |
5 to 9 mph
WSW
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
81°F |
3 to 9 mph
SW
|
|
Thursday
Aug 27
|
Sunny then Slight Chance Showers And Thunderstorms
|
103°F |
6 to 9 mph
WSW
|
|
Thursday Night
Aug 27
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
80°F |
3 to 9 mph
SW
|
|
Friday
Aug 28
|
Sunny then Slight Chance Showers And Thunderstorms
|
103°F |
3 to 9 mph
W
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms
|
80°F |
5 to 8 mph
SW
|
|
Saturday
Aug 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
102°F |
5 to 9 mph
SW
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms
|
79°F |
9 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Pima County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Pima County.
Largest mapped city population in this region: 553,571.
