Today | Weather | Wednesday, August 5, 2026

Weather in Fremont, California

10:07 AM
Now
Cloudy Weather
70° F
Feels Like 70°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 67 %
Today
Cloudy Weather
Day 81°
Night 61°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Fremont Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 5, 2025)
Cloudy Night

Day

79°

Night

57°

Wind

6 mph

Precipitation

0 %

Air Quality in Fremont

NOW
60 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.85 µg/m³
PM10 28.38 µg/m³
O3 0.043 ppm
NO2 0.8 ppb
SO2 0.4 ppb
CO 0.12 ppm
NH3 0.08 µg/m³
NO 0.08 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)
PM2.516.85 µg/m³
PM1028.38 µg/m³
O384.18 µg/m³
NO21.51 µg/m³
SO20.92 µg/m³
CO136.03 µg/m³
NH30.08 µg/m³
NO0.08 µg/m³