Today | Weather | Sunday, July 19, 2026

Weather in Modesto, California

08:20 PM
Now
Sunny Weather
88° F
Feels Like 84°
Precipitation 0 %
Wind 13 mph
UV Index (0 - 11+) 0
Humidity 24 %
Today
Cloudy Night
Day 95°
Night 64°
Precipitation 0 %
Wind 8 mph

Modesto Weather Forecast Updated

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 19, 2025)
Night

Day

91°

Night

61°

Wind

7 mph

Precipitation

0 %

Air Quality in Modesto

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.93 µg/m³
PM10 9.71 µg/m³
O3 0.036 ppm
NO2 1.5 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0.25 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.93 µg/m³
PM109.71 µg/m³
O369.76 µg/m³
NO22.79 µg/m³
SO20.46 µg/m³
CO100.14 µg/m³
NH30.25 µg/m³
NO0.05 µg/m³