Today | Weather | Sunday, May 17, 2026

Weather in Huntsville, Alabama

05:57 AM
Now
Sunny Weather
64° F
Feels Like 64°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 0
Humidity 83 %
Today
Cloudy Weather
Day 91°
Night 66°
Precipitation 1 %
Wind 9 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.

Huntsville Weather Forecast Updated

19 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 17, 2025)
Cloudy Weather

Day

86°

Night

64°

Wind

7 mph

UV Index

11

Precipitation

25 %

Air Quality in Huntsville

NOW
31 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 7.32 µg/m³
PM10 9.42 µg/m³
O3 0.008 ppm
NO2 1.6 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.64 µg/m³
NO 0.02 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)
PM2.57.32 µg/m³
PM109.42 µg/m³
O315.66 µg/m³
NO23.08 µg/m³
SO20.18 µg/m³
CO108.71 µg/m³
NH30.64 µg/m³
NO0.02 µg/m³