🇺🇸 Weather in Louisville
Map Overlays:
Hourly Forecast for Louisville
09:00
20°
16%
10:00
22°
12%
11:00
24°
17%
12:00
27°
12%
13:00
29°
10%
14:00
30°
9%
15:00
30°
9%
16:00
31°
9%
17:00
30°
10%
18:00
30°
10%
19:00
28°
11%
20:00
27°
11%
21:00
27°
12%
22:00
27°
4%
23:00
25°
4%
00:00
25°
9%
01:00
24°
14%
02:00
25°
3%
03:00
24°
4%
04:00
23°
5%
05:00
23°
5%
06:00
22°
25%
07:00
21°
10%
08:00
21°
23%
14-Day Forecast for Louisville
2026-08-26
Overcast
31° /
17°
2026-08-27
Sunny
31° /
21°
2026-08-28
Sunny
30° /
18°
2026-08-29
Sunny
30° /
17°
2026-08-30
Sunny
34° /
21°
2026-08-31
Sunny
35° /
24°
2026-09-01
Patchy rain nearby
28° /
23°
Additional Forecasts for Louisville
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 200.0 μg/m³
O₃ (Ozone) 53.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.6 μg/m³
SO₂ (Sulphur Dioxide) 2.7 μg/m³
PM2.5 (Fine particles) 8.4 μg/m³
PM10 (Coarse particles) 8.6 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Louisville — FAQ
Answers refreshed each request based on current conditions in Louisville.
What is the weather like right now in Louisville?
Right now in Louisville, United States the temperature is 18.2°C (feels like 19.1°C), with overcast. Relative humidity is 79% and wind is 3.6 km/h.
What is today's high and low temperature in Louisville?
Today's forecast high in Louisville is 30.8°C and the overnight low is 17.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Louisville today?
The chance of precipitation in Louisville today is 12%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Louisville differ from nearby cities?
Even short distances can change temperatures noticeably. Louisville's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.