Today | Weather | Wednesday, May 20, 2026

Weather in Madison, Alabama

04:51 PM
Now
Cloudy Weather
90° F
Feels Like 91°
Precipitation 43 %
Wind 8 mph
UV Index (0 - 11+) 2
Humidity 45 %
Today
Sunny with a Chance of Thunderstorms
Day 91°
Night 68°
Precipitation 88 %
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.

Madison Weather Forecast Updated

15 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 20, 2025)

Day

86°

Night

70°

Air Quality in Madison

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.13 µg/m³
PM10 4.28 µg/m³
O3 0.038 ppm
NO2 0.9 ppb
SO2 0.6 ppb
CO 0.10 ppm
NH3 0.48 µg/m³
NO 0.15 µg/m³
PM2.5 – 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)
PM2.53.13 µg/m³
PM104.28 µg/m³
O374.65 µg/m³
NO21.78 µg/m³
SO21.46 µg/m³
CO117.68 µg/m³
NH30.48 µg/m³
NO0.15 µg/m³