City in Kentucky

Louisville Weather Forecast

Louisville weather: 78°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 78°F now🕔 11:43 PM local📅 Best: June, July, August and September👥 625.000

Risk assessment for Louisville

Derived from the current forecast window - not an official warning.

Fire weather10

13 dry days, 3 days above 90°F and humidity at 81%. Hot, dry and windy together is what drives fire spread.

Airborne particulates3

Light haze overhead right now. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

Air quality and pollen in Louisville

88
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.57.9 µg/m³
PM108.7 µg/m³
Ozone91 µg/m³
NO₂5.6 µg/m³
UV index0 · Low
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
GeneralConditions are comfortable for most people, including children and older adults, with normal clothing.

Active alerts for Louisville

⚠️Sat, Sep 19: extreme heat, 97°F (36°C). Hydrate and avoid midday sun.
⚠️Sun, Sep 20: extreme heat, 96°F (36°C). Hydrate and avoid midday sun.

Derived from the forecast. No official alert feed is wired for this country yet.

See the Louisville forecast by time range

Louisville weather - more answers

Explore Louisville

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is Louisville?

Louisville is a city in Kentucky. Its coordinates are 38.2527, -85.7585. It lies in North America.

What is the weather like in Louisville right now?

It is currently 78°F (26°C) with overcast. Humidity is 81% and wind is 10 mph.

When is the best time to visit Louisville?

June, July, August and September offer the most comfortable conditions in Louisville, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Louisville in?

Louisville observes America/Kentucky/Louisville (UTC-04:00). The local time is 11:43 PM.

How many people live in Louisville?

Louisville has a population of approximately 625.000.

What is the nearest airport to Louisville?

The closest airports are Nashville International Airport (BNA), 155 mi away and O'Hare International Airport (ORD), 281 mi away.

What are the top things to do in Louisville?

Popular options include Mammoth Cave National Park, Cumberland Falls State Resort Park, Hocking Hills State Park, Great Smoky Mountains National Park, Gateway Arch National Park and Indiana Dunes National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated September 18, 2026 at 11:43 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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