Today | Weather | Sunday, March 15, 2026

Weather in Tempe, Arizona

12:54 PM
Now
Cloudy Weather
84° F
Feels Like 90°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 5
Humidity 11 %
Today
Cloudy Weather
Day 90°
Night 61°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6

Tempe Weather Forecast Updated

34 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

68°

Night

45°

Wind

6 mph

UV Index

6

Precipitation

13 %

Air Quality in Tempe

NOW
59 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 14.35 µg/m³
PM10 49.37 µg/m³
O3 0.057 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0.56 µg/m³
NO 0.05 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.514.35 µg/m³
PM1049.37 µg/m³
O3111.42 µg/m³
NO20.23 µg/m³
SO20.17 µg/m³
CO126.27 µg/m³
NH30.56 µg/m³
NO0.05 µg/m³