Today | Weather | Wednesday, August 13, 2025

Extreme Heat Warning (Issued when dangerously high temperatures are expected.)

Mesa, Arizona. 06:08 AM

Now

88° F

Feels Like 86°

Precipitation 5 %

Wind 6 mph

UV Index (0 - 11+) 1

Humidity 37 %

Today

Day 111°

Night 84°

Precipitation 13 %

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.

Other:

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

Mesa Weather Forecast Updated

59 minutes ago

Last updated on August 13, 2025 5:08 AM

Weather Forecast History

Last Year's Weather on This Day (August 13, 2024)

Day

102°

Night

84°

Wind

8 mph

UV Index

Precipitation

Air quality in Mesa

NOW

82 AQI

Moderate air quality Dominant pollutant: PM10

Pollutant Concentrations:

PM2.5 17.54 µg/m³

PM10 95.71 µg/m³

O₃ 29.31 ppb

NO₂ 4.89 ppb

SO₂ 0.82 ppb

CO 149.67 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.