Today | Weather | Thursday, August 21, 2025

Heat Advisory (Issued when high temperatures and humidity create conditions that may be hazardous during outdoor activity or prolonged exposure.)

Weather in Jurupa Valley, California

05:15 PM

Now

99° F

Feels Like 97°

Precipitation 0 %

Wind 13 mph

UV Index (0 - 11+) 11

Humidity 19 %

Today

Day 106°

Night 73°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Other:

Mostly bright and clear and hot; caution advised if outside for extended periods of time.

Jurupa Valley Weather Forecast Updated

2 minutes ago

Last updated on August 21, 2025 5:13 PM

Weather Forecast History

Last Year's Weather on This Day (August 21, 2024)

Day

100°

Night

66°

Air quality in Jurupa Valley

NOW

77 AQI

Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 15.51 µg/m³

PM10 36.16 µg/m³

O₃ 82.06 ppb

NO₂ 9.93 ppb

SO₂ 3.11 ppb

CO 236.55 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:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast