Today | Weather | Sunday, August 31, 2025

Weather in Louisville, Kentucky

02:31 AM
Now
NightNighttime, with dark skies and stars or a moon visible.
59° F
Feels Like 57°
Precipitation 0 %
Wind 6 mph
Humidity 71 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 55°
Precipitation 0 %
Wind 7 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.

Other:

Partly bright and clear and pleasant.

Louisville Weather Forecast Updated

36 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (August 31, 2024)

Cloudy WeatherCloudy weather, overcast skies with no rain.

Day

93°

Night

75°

Wind

4 mph

Precipitation

40

Air quality in Louisville

NOW
51 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 6.23 µg/m³
PM10 8.63 µg/m³
O₃ 35.65 ppb
NO₂ 6.13 ppb
SO₂ 2.08 ppb
CO 148.46 ppb
PM2.5 – 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.