Pima County Weather Forecast
Pima County weather: 73°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Tomorrow in Pima County - Saturday, October 3
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
Active alerts for Pima County
Derived from the forecast. No official alert feed is wired for this country yet.
Is today a good day to visit?
Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 34 mph.
- If your dates are flexible, avoid January, July and August - historically the least comfortable months here.
See the Pima County forecast by time range
Pima County weather - more answers
Explore Pima County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Pima County?
Pima County is a county in Arizona. Its coordinates are 32.2226, -110.9747. It lies in North America.
What is the weather like in Pima County right now?
It is currently 73°F (23°C) with clear sky. Humidity is 39% and wind is 15 mph.
When is the best time to visit Pima County?
February, March, April and May offer the most comfortable conditions in Pima County, which has a hot and arid climate. January, July and August are usually the hardest months for outdoor plans.
What time zone is Pima County in?
Pima County observes America/Phoenix (UTC-07:00). The local time is 12:00 PM.
How many people live in Pima County?
Pima County has a population of approximately 1.1 million.
What is the nearest airport to Pima County?
The closest airports are Phoenix Sky Harbor International Airport (PHX), 103 mi away.
What are the top things to do in Pima County?
Popular options include Saguaro National Park, Slide Rock State Park and Petrified Forest National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 2, 2026 at 12:00 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
