Louisville, KY Weather
Louisville hourly forecast: next 24 hours
Today's high of 94°F (35°C) is about 7°F (4°C) above the typical July high of 87°F (31°C).
Current conditions in detail
Louisville weather tomorrow (Saturday, July 18)
Tomorrow in Louisville looks sunny, with a high of 90° and an overnight low of 73°. There is a 62% chance of rain - plan accordingly. Winds top out near 11 mph, and the UV index reaches 10 (very high).
Louisville 14-day forecast
About the weather in Louisville
Louisville has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 43°F (6°C) in January to around 87°F (31°C) in July, and the city records roughly 129 days of measurable precipitation a year.
Louisville weather: quick facts
- Hottest month: July - highs near 87°F (31°C)
- Coldest month: January - highs near 43°F (6°C)
- Record high: 99°F (37°C) · Record low: -8°F (-22°C) (2015–2024)
- Wettest month: April (12 rainy days) · Sunniest: July (11.7 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 6 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 87°F (31°C) and overnight lows stay near 70°F (21°C). The coolest month is January, with typical highs of 43°F (6°C) and lows around 28°F (-2°C). Based on 2015–2024 weather data, temperatures have reached as high as 99°F (37°C) and dropped as low as -8°F (-22°C).
Rain, sun and snow
April is usually the wettest month. It brings about 5.5 inches (139 mm) of rain over 12 days, while November is the driest. July brings the most sunshine, averaging 11.7 hours of sun a day. Snow falls on about 6 days in a typical year, mostly from December through March.
Season by season
Spring (March through May)
Spring in Louisville is mild, with daytime highs averaging 67°F (19°C) and nights around 47°F (8°C); expect showers on roughly 37 days across the season.
Summer (June through August)
Summer in Louisville is hot, with daytime highs averaging 86°F (30°C) and nights around 68°F (20°C); expect showers on roughly 36 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Louisville is pleasantly warm, with daytime highs averaging 69°F (21°C) and nights around 51°F (11°C); expect showers on roughly 25 days across the season.
Winter (December through February)
Winter in Louisville is chilly, with daytime highs averaging 47°F (8°C) and nights around 30°F (-1°C); expect showers on roughly 32 days across the season, plus around 4 snowy days.
Average temperatures in Louisville by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 43° | 28° | 11 | 3.9 in | 5.6 h/day | 70% |
| February | 49° | 30° | 10 | 4.5 in | 6.7 h/day | 68% |
| March | 58° | 38° | 12 | 4.8 in | 7.9 h/day | 67% |
| April | 66° | 46° | 12 | 5.5 in | 9.1 h/day | 68% |
| May | 76° | 58° | 12 | 4.1 in | 10.1 h/day | 73% |
| June | 84° | 65° | 11 | 4.4 in | 11.6 h/day | 72% |
| July | 87° | 70° | 14 | 5.1 in | 11.7 h/day | 76% |
| August | 85° | 68° | 11 | 3.5 in | 11.2 h/day | 75% |
| September | 82° | 63° | 7 | 3.5 in | 10.0 h/day | 72% |
| October | 70° | 52° | 8 | 3.5 in | 8.4 h/day | 71% |
| November | 56° | 39° | 9 | 3.4 in | 6.7 h/day | 71% |
| December | 49° | 33° | 11 | 3.9 in | 5.5 h/day | 74% |