Today | Weather | Wednesday, April 1, 2026

Weather in Tempe, Arizona

06:40 PM
Now
Night
81° F
Feels Like 77°
Precipitation 0 %
Wind 8 mph
Humidity 20 %
Today
Cloudy Weather
Day 82°
Night 61°
Precipitation 25 %
Wind 9 mph
UV Index (0 - 11+) 7

Tempe Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 1, 2025)
Cloudy Weather

Day

72°

Night

52°

Wind

14 mph

UV Index

8

Precipitation

2 %

Air Quality in Tempe

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.54 µg/m³
PM10 18.51 µg/m³
O3 0.052 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.63 µg/m³
NO 0.03 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)
PM2.53.54 µg/m³
PM1018.51 µg/m³
O3102.44 µg/m³
NO20.35 µg/m³
SO20.26 µg/m³
CO107.92 µg/m³
NH30.63 µg/m³
NO0.03 µg/m³