Today | Weather | Tuesday, July 21, 2026

Weather in Provo, Utah

02:56 AM
Now
Cloudy Night
75° F
Feels Like 73°
Precipitation 20 %
Wind 6 mph
Humidity 50 %
Today
Sunny with a Chance of Thunderstorms
Day 97°
Night 70°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Provo Weather Forecast Updated

43 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 21, 2025)
Rainy Night

Day

91°

Night

64°

Wind

10 mph

Precipitation

55 %

Air Quality in Provo

NOW
30 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.11 µg/m³
PM10 3.7 µg/m³
O3 0.033 ppm
NO2 1 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 2.08 µg/m³
NO 0 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)
PM2.52.11 µg/m³
PM103.7 µg/m³
O363.98 µg/m³
NO21.89 µg/m³
SO20.21 µg/m³
CO97.82 µg/m³
NH32.08 µg/m³
NO0 µg/m³