Today | Weather | Saturday, August 8, 2026

Active Weather Warnings

Heat Advisory

Weather in Murrieta, California

09:32 PM

Now

79° F

Feels Like 77°

Precipitation 0 %

Wind 5 mph

Humidity 57 %

Today

Day 100°

Night 66°

Precipitation 0 %

Wind 5 mph

Murrieta Weather Forecast Updated

Last updated on August 08, 2026 at 8:24 PM

Weather Forecast History

Last Year's Weather on This Day (August 8, 2025)

Day

95°

Night

63°

Wind

5 mph

Precipitation

0 %

Air Quality in Murrieta

NOW

62 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 17.39 µg/m³

PM₁₀ 34.1 µg/m³

O₃ 0.047 ppm

NO₂ 0.2 ppb

SO₂ 0.2 ppb

CO 0.09 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 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)

PM_2.5 – 17.39 µg/m³

PM₁₀ – 34.1 µg/m³

O₃ – 92.31 µg/m³

NO₂ – 0.37 µg/m³

SO₂ – 0.52 µg/m³

CO – 102.11 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Murrieta

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 8 at 4:56AM PDT until August 9 at 8:00PM PDT by NWS San Diego CA

Aug 8, 4:56 AM → Aug 9, 8:00 PM

WHAT: High temperatures in the mid 90s to 103 expected.

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

WHEN: Until 8 PM PDT Sunday.

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 8, 8:24 PM Source: NWS Alert