Today | Weather | Monday, March 9, 2026

Weather in Tempe, Arizona

10:11 AM
Now
Cloudy Weather
68° F
Feels Like 73°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 4
Humidity 38 %
Today
Sunny with a Chance of Thunderstorms
Day 81°
Night 55°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 6

Tempe Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 9, 2025)
Sunny Weather

Day

77°

Night

50°

Wind

4 mph

UV Index

6

Precipitation

0 %

Air Quality in Tempe

NOW
39 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 9.27 µg/m³
PM10 34.49 µg/m³
O3 0.036 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 1.24 µg/m³
NO 0.09 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)
PM2.59.27 µg/m³
PM1034.49 µg/m³
O370.01 µg/m³
NO20.72 µg/m³
SO20.18 µg/m³
CO115.63 µg/m³
NH31.24 µg/m³
NO0.09 µg/m³