Today | Weather | Sunday, August 9, 2026

Active Weather Warnings

Heat Advisory

Weather in Miami, Florida

01:32 AM

Now

84° F

Feels Like 91°

Precipitation 66 %

Wind 9 mph

Humidity 79 %

Today

Day 90°

Night 82°

Precipitation 55 %

Wind 12 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.

Miami Weather Forecast Updated

7 minutes ago

Last updated on August 09, 2026 at 1:24 AM

Weather Forecast History

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

Day

82°

Night

79°

Wind

7 mph

Precipitation

80 %

Air Quality in Miami

NOW

16 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.81 µg/m³

PM₁₀ 2.72 µg/m³

O₃ 0.018 ppm

NO₂ 0.4 ppb

SO₂ 0.1 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 – 0.81 µg/m³

PM₁₀ – 2.72 µg/m³

O₃ – 34.48 µg/m³

NO₂ – 0.82 µg/m³

SO₂ – 0.39 µg/m³

CO – 80.71 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Miami

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 9 at 1:15AM EDT until August 9 at 6:00PM EDT by NWS Miami FL

Aug 9, 11:00 AM → Aug 9, 6:00 PM

WHAT: Heat index values in excess of 105 expected in the
Miami-Dade and Broward Metro Area.

WHERE: Coastal Broward County, Coastal Miami Dade County, Metro
Broward County, and Metropolitan Miami Dade Counties.

WHEN: From 11 AM this morning to 6 PM EDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Updated: Aug 9, 1:24 AM Source: NWS Alert