Today | Weather | Sunday, April 26, 2026

Weather in Fremont, California

11:17 PM
Now
Cloudy Night
54° F
Feels Like 52°
Precipitation 7 %
Wind 7 mph
Humidity 78 %
Today
Cloudy Night
Day 63°
Night 48°
Precipitation 25 %
Wind 6 mph

Fremont Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Stormy Weather

Day

64°

Night

52°

Wind

8 mph

UV Index

7

Precipitation

88 %

Air Quality in Fremont

NOW
69 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.17 µg/m³
PM10 5.86 µg/m³
O3 0.060 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.01 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 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)
PM2.52.17 µg/m³
PM105.86 µg/m³
O3118.1 µg/m³
NO20.37 µg/m³
SO20.57 µg/m³
CO133.63 µg/m³
NH30.01 µg/m³
NO0 µg/m³