Today | Weather | Sunday, August 9, 2026

Active Weather Warnings

Heat Advisory

Weather in Moreno Valley, California

08:02 PM

Now

90° F

Feels Like 88°

Precipitation 0 %

Wind 8 mph

Humidity 34 %

Today

Day 99°

Night 70°

Precipitation 0 %

Wind 5 mph

Moreno Valley Weather Forecast Updated

47 minutes ago

Last updated on August 09, 2026 at 7:15 PM

Weather Forecast History

Last Year's Weather on This Day (August 9, 2025)

Day

97°

Night

64°

Wind

5 mph

Precipitation

0 %

Air Quality in Moreno Valley

NOW

36 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 6.81 µg/m³

PM₁₀ 17.78 µg/m³

O₃ 0.039 ppm

NO₂ 0.4 ppb

SO₂ 0.2 ppb

CO 0.07 ppm

NH₃ 0 µg/m³

NO 0 µg/m³

PM_2.5 – 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 6.81 µg/m³

PM₁₀ – 17.78 µg/m³

O₃ – 77.3 µg/m³

NO₂ – 0.73 µg/m³

SO₂ – 0.52 µg/m³

CO – 74.58 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Moreno Valley

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 9 at 12:53PM PDT until August 9 at 8:00PM PDT by NWS San Diego CA

Aug 9, 12:53 PM → Aug 9, 8:00 PM

WHAT: Temperatures up to 103.

WHERE: San Bernardino and Riverside County Valleys-The Inland
Empire.

WHEN: Until 8 PM PDT this evening.

IMPACTS: Hot temperatures may cause heat illnesses.

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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Aug 9, 7:15 PM Source: NWS Alert