Today | Weather | Wednesday, October 1, 2025

Weather in Livermore, California

11:26 AM

Now

70° F

Feels Like 66°

Precipitation 45 %

Wind 6 mph

UV Index (0 - 11+) 9

Humidity 65 %

Today

Day 75°

Night 61°

Precipitation 87 %

Wind 7 mph

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Livermore Weather Forecast Updated

46 minutes ago

Last updated on October 01, 2025 10:40 AM

Air quality in Livermore

NOW

34 AQI

Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.09 µg/m³

PM10 7.83 µg/m³

O₃ 25.17 ppb

NO₂ 14.32 ppb

SO₂ 0.43 ppb

CO 205.52 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

View Hourly Air Quality Forecast