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 Moreno Valley, California

12:35 PM

Now

102° F

Feels Like 109°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 11

Humidity 16 %

Today

Day 106°

Night 70°

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:

Sunny to partly overcast and hot; heat will be dangerous, minimize outdoor activity.

Moreno Valley Weather Forecast Updated

31 minutes ago

Last updated on August 21, 2025 12:03 PM

Weather Forecast History

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

Day

99°

Night

64°

Wind

7 mph

UV Index

Precipitation

Air quality in Moreno Valley

NOW

54 AQI

Moderate air quality Dominant pollutant: PM10

Pollutant Concentrations:

PM2.5 10.43 µg/m³

PM10 72.81 µg/m³

O₃ 67.84 ppb

NO₂ 29.30 ppb

SO₂ 1.07 ppb

CO 297.41 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