Weather for Louisville, Kentucky
Current Weather
Humidity: 70%
Feels Like: 68.4°F
Wind: ESE 2.2 mph
Wind Gusts: 3.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Fri
H: 94°F
L: 66°F
Sat
H: 92°F
L: 72°F
Sun
H: 84°F
L: 71°F
Mon
H: 87°F
L: 66°F
Tue
H: 88°F
L: 66°F
Air Quality
Nitrogen Dioxide: 52.73 μg/m3
Sulphur Dioxide: 13.14 μg/m3
Ozone: 46 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 7:44 PM
Daylight: 12 hrs 16 mins
Moon Transit: 12:05 AM
Moonset: 6:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:35 AM - 2:05 PM
Minor Periods
6:21 PM - 7:51 PM4:39 AM - 6:09 AM
Action Rating: 3 out of 5
Air Quality Alert issued September 18 at 1:59PM EDT by NWS Louisville KY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu September 18, 2025, 1:59 PM
Expires: Fri September 19, 2025, 1:00 AM
The Louisville Metro Air Pollution Control District and the Indiana Department of Environmental Management have issued an Air Quality Alert...IN EFFECT UNTIL MIDNIGHT EDT FRIDAY NIGHT. A Code Orange Air Quality Alert for Ozone has been issued for the Louisville Metro Area. Orange: Members of sensitive groups may experience health effects. The general public is not likely to be affected. Sensitive groups include the elderly...children...persons with asthma or other breathing problems...and persons with lung and heart disease. People in these groups are advised to limit their outdoor activities to reduce their exposure to ozone and particulate pollution. For more information, visit the Louisville Metro Air Pollution Control District at http://www.louisvilleky.gov/apcd or the Indiana Department of Environmental Management at http://www.in.gov/idem.
Air Quality Alert issued September 18 at 1:59PM EDT by NWS Louisville KY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu September 18, 2025, 1:59 PM
Expires: Fri September 19, 2025, 1:00 AM
The Louisville Metro Air Pollution Control District and the Indiana Department of Environmental Management have issued an Air Quality Alert...IN EFFECT UNTIL MIDNIGHT EDT FRIDAY NIGHT. A Code Orange Air Quality Alert for Ozone has been issued for the Louisville Metro Area. Orange: Members of sensitive groups may experience health effects. The general public is not likely to be affected. Sensitive groups include the elderly...children...persons with asthma or other breathing problems...and persons with lung and heart disease. People in these groups are advised to limit their outdoor activities to reduce their exposure to ozone and particulate pollution. For more information, visit the Louisville Metro Air Pollution Control District at http://www.louisvilleky.gov/apcd or the Indiana Department of Environmental Management at http://www.in.gov/idem.
Weather Forecast
Average Temperature: 79.9°F
Average Humidity: 54%
Wind: 3.8 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 29.93 μg/m3
Sulphur Dioxide: 14.02 μg/m3
Ozone: 107.12 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 7:44 PM
Daylight: 12 hrs 16 mins
Moon Transit: 12:05 AM
Moonset: 6:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:35 AM - 2:05 PM
Minor Periods
6:21 PM - 7:51 PM4:39 AM - 6:09 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 80.4°F
Average Humidity: 52%
Wind: 6.9 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 26.75 μg/m3
Sulphur Dioxide: 12.05 μg/m3
Ozone: 97.08 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 7:42 PM
Daylight: 12 hrs 13 mins
Moon Transit: 12:48 AM
Moonset: 7:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
12:32 AM - 3:02 AM12:18 AM - 2:48 PM
Minor Periods
6:43 PM - 8:13 PM5:44 AM - 7:14 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 76.2°F
Average Humidity: 71%
Wind: 8.3 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 14.87 μg/m3
Sulphur Dioxide: 5.02 μg/m3
Ozone: 99.6 μg/m3
Astronomical
Sun Transit: 1:35 PM
Sunset: 7:41 PM
Daylight: 12 hrs 11 mins
Moon Transit: 1:30 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
1:14 AM - 3:44 AM1:00 PM - 3:30 PM
Minor Periods
7:05 PM - 8:35 PM6:45 AM - 8:15 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 73.2°F
Average Humidity: 80%
Wind: 9.8 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 10.84 μg/m3
Sulphur Dioxide: 4.21 μg/m3
Ozone: 104.54 μg/m3
Astronomical
Sun Transit: 1:35 PM
Sunset: 7:39 PM
Daylight: 12 hrs 8 mins
Moon Transit: 2:10 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 2.9%
Best Times for Fishing or Hunting
Major Periods
1:55 AM - 4:25 AM1:40 PM - 4:10 PM
Minor Periods
7:26 PM - 8:56 PM7:46 AM - 9:16 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 72.4°F
Average Humidity: 83%
Wind: 7.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:35 PM
Sunset: 7:38 PM
Daylight: 12 hrs 6 mins
Moon Transit: 2:51 PM
Moonset: 8:19 PM
Moon Phase: New
Moon Illumination: 0.6%
Best Times for Fishing or Hunting
Major Periods
2:36 AM - 5:06 AM2:21 PM - 4:51 PM
Minor Periods
7:49 PM - 9:19 PM8:46 AM - 10:16 AM
Action Rating: 4 out of 5