Today | Weather | Tuesday, January 13, 2026

Weather in Modesto, California

12:26 PM
Now
Foggy Weather
52° F
Feels Like 57°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3
Humidity 74 %
Today
Cloudy Weather
Day 57°
Night 37°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Modesto Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (January 13, 2025)
Sunny Weather

Day

61°

Night

32°

Wind

9 mph

UV Index

3

Precipitation

0 %

Air Quality in Modesto

NOW
44 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 10.54 µg/m³
PM10 14.51 µg/m³
O3 0.039 ppm
NO2 3 ppb
SO2 0.3 ppb
CO 0.19 ppm
NH3 2.43 µg/m³
NO 1.35 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)
PM2.510.54 µg/m³
PM1014.51 µg/m³
O377.43 µg/m³
NO25.65 µg/m³
SO20.7 µg/m³
CO218.32 µg/m³
NH32.43 µg/m³
NO1.35 µg/m³