Today | Weather | Sunday, March 29, 2026

Weather in Tempe, Arizona

02:58 PM
Now
Cloudy Weather
95° F
Feels Like 97°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Humidity 13 %
Today
Cloudy Weather
Day 97°
Night 70°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Tempe Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 29, 2025)
Cloudy Weather

Day

81°

Night

55°

Wind

8 mph

UV Index

8

Precipitation

0 %

Air Quality in Tempe

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.85 µg/m³
PM10 19.12 µg/m³
O3 0.047 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.59 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.57.85 µg/m³
PM1019.12 µg/m³
O392.49 µg/m³
NO20.23 µg/m³
SO20.13 µg/m³
CO100.89 µg/m³
NH30.59 µg/m³
NO0 µg/m³