Pima County, AZ Weather Forecast
County weather hub
Slight Chance Rain Showers then Mostly Sunny
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 rain showers before 11am. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
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
- Oct 12 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 4:05 PM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in Pima County
Columbus Day looks like the warmest upcoming period in Pima County at 74 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Columbus Day at about 16 to 23 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 4:05 PM MST
- Coverage
- 4 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 after 11pm. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
A slight chance of rain showers before 11am, then a slight chance of showers and thunderstorms between 11am and 5pm. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
Mostly clear, with a low around 54.
Sunny, with a high near 71.
Mostly clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Columbus Day
Oct 12
|
Slight Chance Rain Showers then Mostly Sunny
|
74°F |
16 to 23 mph
SSW
|
|
Monday Night
Oct 12
|
Slight Chance Showers And Thunderstorms
|
58°F |
8 to 16 mph
SSW
|
|
Tuesday
Oct 13
|
Slight Chance Showers And Thunderstorms
|
72°F |
12 to 16 mph
SSW
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
54°F |
5 to 10 mph
S
|
|
Wednesday
Oct 14
|
Sunny
|
71°F |
6 to 10 mph
NNE
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
54°F |
6 to 9 mph
NE
|
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.
