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Hourly Forecast
Daylight Hours
06:48
Sunrise
19:00
Sunset
Moon
Waxing Crescent
12:43
Moonrise
21:10
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Louisville today, September 16, 2026
Louisville stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Cloud leads the morning, peaking close to 100% near 06:00. Sunshine has little room until later in the day.
The day peaks near 28°C and cools toward 12°C. Relative humidity sits between 26% and 85%, reaching its peak around 21:00. A lighter breeze peaks around 16:00 near 7.5 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 14:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.9 km, with poorer spells close to 13.1 km. The sun rises at 06:48 and sets at 19:00, for a total of 12 hours 12 minutes of sunlight today.
The practical takeaway for Louisville on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 28°C.
Frequently asked questions about weather in Louisville
How warm does it get in Louisville?
The warmest month in Louisville is July, with average high temperatures of 28°C. The average temperature during this period is around 20°C.
How cold does it get in Louisville?
The coldest month in Louisville is January, with average low temperatures of -9°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Louisville?
The wettest month in Louisville is May, with an average of 125mm of precipitation.
What is the driest time of year in Louisville?
The driest month in Louisville is December, with an average of 25mm of precipitation.
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