Weather Tomorrow

Weather Tomorrow for ZIP 40203

Louisville, KY · View full Louisville forecast

Heat AdvisoryUntil Sep 16, 10:15 AM

Heat Advisory issued September 15 at 1:48PM EDT until September 17 at 8:00PM EDT by NWS Louisville KY

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Wednesday, September 16, 2026

97°Low 76°FColdHot
Clear

Precip chance

5%

Wind

2-6 mph

Humidity

65%

Feels like

95–78°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

76°Temperature trend97°
TimeTempConditionRain %Wind
4 AM81°FMostly Clear
3%
5 mph S
5 AM80°FMostly Clear
3%
3 mph S
6 AM79°FMostly Clear
2%
3 mph S
7 AM79°FMostly Clear
2%
3 mph S
8 AM78°FMostly Clear
2%
3 mph S
9 AM77°FPartly Cloudy
2%
3 mph S
10 AM77°FMostly Sunny
3%
3 mph S
11 AM76°FSunny
3%
3 mph S
12 PM76°FMostly Sunny
3%
5 mph S
1 PM78°FMostly Sunny
3%
5 mph S
2 PM82°FSunny
3%
6 mph SW
3 PM86°FSunny
2%
6 mph SW
4 PM90°FSunny
2%
6 mph SW
5 PM94°FMostly Sunny
2%
6 mph SW
6 PM95°FMostly Sunny
4%
5 mph SW
7 PM96°FMostly Sunny
4%
5 mph SW
8 PM97°FMostly Sunny
5%
5 mph SW
9 PM96°FSunny
5%
5 mph SW
10 PM95°FMostly Clear
5%
5 mph SW
11 PM93°FPartly Cloudy
5%
3 mph SW
12 AM87°FMostly Cloudy
3%
3 mph SW
1 AM85°FPartly Cloudy
2%
2 mph SW
2 AM82°FPartly Cloudy
0%
2 mph S
3 AM81°FPartly Cloudy
0%
2 mph S

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Extreme heat — stay cool and protected

Clothing

  • Lightest possible clothing
  • Wide-brim hat
  • UV-protective shirt if outdoors

Footwear

Breathable sandals

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 97°F

Low: 76°F

Wind: 2-6 mph

Rain: 5%

Enjoy your day!

Best Time to Be Outside Tomorrow

11 AM – 12 PM93

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

4a10a4p10p