Today | Weather | Wednesday, March 4, 2026

Weather in Tempe, Arizona

08:21 PM
Now
Night
73° F
Feels Like 72°
Precipitation 0 %
Wind 6 mph
Humidity 16 %
Today
Cloudy Weather
Day 82°
Night 54°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 5

Tempe Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 4, 2025)
Sunny Weather

Day

70°

Night

46°

Wind

4 mph

UV Index

5

Precipitation

0 %

Air Quality in Tempe

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.17 µg/m³
PM10 38.54 µg/m³
O3 0.051 ppm
NO2 0.5 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 0.8 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)
PM2.57.17 µg/m³
PM1038.54 µg/m³
O399.89 µg/m³
NO20.93 µg/m³
SO20.05 µg/m³
CO111.29 µg/m³
NH30.8 µg/m³
NO0 µg/m³