Today | Weather | Wednesday, April 15, 2026

Weather in Tempe, Arizona

04:47 PM
Now
Sunny Weather
84° F
Feels Like 84°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2
Humidity 11 %
Today
Sunny Weather
Day 86°
Night 57°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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

57 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 15, 2025)
Partly Sunny with Showers

Day

95°

Night

61°

Wind

7 mph

UV Index

9

Precipitation

49 %

Air Quality in Tempe

NOW
93 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.83 µg/m³
PM10 22.08 µg/m³
O3 0.068 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 1.64 µg/m³
NO 0.07 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)
PM2.54.83 µg/m³
PM1022.08 µg/m³
O3133.18 µg/m³
NO20.43 µg/m³
SO20.14 µg/m³
CO114.8 µg/m³
NH31.64 µg/m³
NO0.07 µg/m³