Pima County, AZ Weather Forecast
County weather hub
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 chance of showers and thunderstorms. Partly sunny, with a high near 89. North northeast wind 3 to 7 mph. Chance of precipitation is 30%.
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
- Sep 23 to Sep 29, 2026
- Latest sync
- Sep 23, 2026 1:47 PM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in Pima County
Saturday looks like the warmest upcoming period in Pima County at 94 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 6 to 13 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 23, 2026 1:47 PM MST
- Coverage
- 8 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. Mostly cloudy, with a low around 69. East southeast wind 2 to 6 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 2pm and 5pm. Sunny, with a high near 89. East northeast wind 3 to 8 mph.
A slight chance of showers and thunderstorms between 8pm and 11pm. Mostly clear, with a low around 69. East southeast wind 2 to 7 mph. Chance of precipitation is 20%.
Sunny, with a high near 91. North northeast wind around 6 mph.
Mostly clear, with a low around 72.
Sunny, with a high near 94.
Partly cloudy, with a low around 73.
Partly sunny, with a high near 91.
A chance of rain showers after 5am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
A chance of rain showers before 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
A slight chance of rain showers. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 23
|
Chance Showers And Thunderstorms
|
89°F |
3 to 7 mph
NNE
|
|
Tonight
Sep 23
|
Slight Chance Showers And Thunderstorms
|
69°F |
2 to 6 mph
ESE
|
|
Thursday
Sep 24
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
89°F |
3 to 8 mph
ENE
|
|
Thursday Night
Sep 24
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
2 to 7 mph
ESE
|
|
Friday
Sep 25
|
Sunny
|
91°F |
6 mph
NNE
|
|
Friday Night
Sep 25
|
Mostly Clear
|
72°F |
5 mph
NE
|
|
Saturday
Sep 26
|
Sunny
|
94°F |
2 to 7 mph
S
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
73°F |
7 mph
SSW
|
|
Sunday
Sep 27
|
Partly Sunny
|
91°F |
5 to 9 mph
SW
|
|
Sunday Night
Sep 27
|
Mostly Cloudy then Chance Rain Showers
|
73°F |
5 to 8 mph
E
|
|
Monday
Sep 28
|
Chance Showers And Thunderstorms
|
87°F |
6 to 13 mph
SSW
|
|
Monday Night
Sep 28
|
Chance Showers And Thunderstorms
|
69°F |
6 to 12 mph
SSW
|
|
Tuesday
Sep 29
|
Chance Showers And Thunderstorms
|
86°F |
6 to 10 mph
SW
|
|
Tuesday Night
Sep 29
|
Slight Chance Rain Showers
|
67°F |
5 to 9 mph
ENE
|
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.
