County in Arizona

Pima County Weather Forecast

Pima County weather: 100°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☀️ 100°F now🕔 5:18 PM local📅 Best: February, March, April and May👥 1.1 million

Air quality and pollen in Pima County

47
Good
Air quality is satisfactory for everyone.
PM2.56.3 µg/m³
PM1015.3 µg/m³
Ozone104 µg/m³
NO₂0.6 µg/m³
UV index2.1 · Low
Airborne hazeClear air

Air quality: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
PetsPavement can be 20°C hotter than the air. Walk dogs early or late, never leave animals in cars, and carry water.
Older adultsHeat builds up slowly indoors. Check on anyone over 65 living alone and keep rooms ventilated.
ChildrenSmall bodies overheat faster than adults. Shade, hats and frequent drinks; skip midday sport.

Weather in Pima County right now

☀️
100°F
Clear sky · feels like 96°F
Humidity21%
Wind11 mph NNW
Gusts16 mph
UV index2.1 · Low
Cloud cover0%
Pressure932 hPa
VisibilityExcellent · 35 mi
Air quality47 · Good
Sunrise5:54 AM
Sunset6:57 PM
Moon🌔 Waxing gibbous · 86%

Source: Open-Meteo. Updated 5:18 PM, Aug 24 local time.

⚠️Mon, Aug 24: extreme heat, 103°F (39°C). Hydrate and avoid midday sun.
⚠️Tue, Aug 25: extreme heat, 109°F (43°C). Hydrate and avoid midday sun.
⚠️Wed, Aug 26: extreme heat, 107°F (42°C). Hydrate and avoid midday sun.
⚠️Thu, Aug 27: extreme heat, 108°F (42°C). Hydrate and avoid midday sun.
⚠️Fri, Aug 28: extreme heat, 106°F (41°C). Hydrate and avoid midday sun.
⚠️Sat, Aug 29: extreme heat, 99°F (37°C). Hydrate and avoid midday sun.

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 100°F (38°C) with clear sky. Humidity is 21% and wind is 11 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 September 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 5:18 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 dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, 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 August 24, 2026 at 5:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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