Today | Weather | Wednesday, March 18, 2026

Weather in Provo, Utah

06:20 PM
Now
Sunny Weather
79° F
Feels Like 79°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 14 %
Today
Sunny Weather
Day 81°
Night 48°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 5

Provo Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Snowy Weather

Day

39°

Night

25°

Wind

21 mph

UV Index

1

Precipitation

94 %

Air Quality in Provo

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.89 µg/m³
PM10 6.75 µg/m³
O3 0.043 ppm
NO2 1.7 ppb
SO2 1.3 ppb
CO 0.10 ppm
NH3 2.66 µg/m³
NO 0.79 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)
PM2.54.89 µg/m³
PM106.75 µg/m³
O385.28 µg/m³
NO23.26 µg/m³
SO23.47 µg/m³
CO116.36 µg/m³
NH32.66 µg/m³
NO0.79 µg/m³