Observed 6:25 AM EDT at KLOU
Louisville/Jefferson County metro, KY weather
Clear and 45°7°.
Today: low 46°8° (likely 43°6° to 48°9°), high 73°23° (likely 71°22° to 73°23°).
Now 45°7°
Clear
- Wind
- Calm
- Up to 7 mph11 km/h through 7 PM
- Dew point
- 43°6°
- Comfortable
- Humidity
- 93%
- Air 45°7°, dew point 43°6° · fog or dew likely
- UV index
- 0Low
- Moderate 12–4 PM · peak 4
- Air quality
- 56Moderate
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.28 inHg1025 hPa
- Rising slowly · +0.02 inHg+0.8 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
This morningUp to 60°16° by 11 AM · Clear
This afternoonUp to 73°23° by 4 PM · Clear
TonightDown to 48°9° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 73°23° by 5 PM · Partly cloudy
Tomorrow nightDown to 48°9° by 5 AM · Partly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 7a | Clear | 45°7° (likely 43°6° to 48°9°) | 45°7° | 0% | 1 mph2 km/h from N, gusts 5 mph8 km/h | 94% | 0% | 0 |
| Fri 8a | Sunny | 46°8° (likely 43°6° to 48°9°) | 46°8° | 0% | 2 mph3 km/h from NE, gusts 5 mph9 km/h | 95% | 0% | 0 |
| Fri 9a | Sunny | 46°8° (likely 45°7° to 50°10°) | 45°7° | 0% | 3 mph5 km/h from E, gusts 4 mph6 km/h | 96% | 0% | 0 |
| Fri 10a | Sunny | 53°12° (likely 52°11° to 55°13°) | 53°12° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 80% | 0% | 1 |
| Fri 11a | Sunny | 60°16° (likely 58°14° to 61°16°) | 60°16° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 64% | 0% | 2 |
| Fri 12p | Sunny | 64°18° (likely 63°17° to 66°19°) | 64°18° | 0% | 5 mph8 km/h from E, gusts 7 mph12 km/h | 56% | 0% | 3 |
| Fri 1p | Sunny | 68°20° (likely 66°19° to 69°21°) | 68°20° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 42% | 0% | 4 |
| Fri 2p | Sunny | 71°22° (likely 69°21° to 71°22°) | 71°22° | 0% | 5 mph8 km/h from NE, gusts 10 mph16 km/h | 38% | 1% | 4 |
| Fri 3p | Sunny | 72°22° (likely 70°21° to 72°22°) | 72°22° | 0% | 6 mph10 km/h from E, gusts 10 mph16 km/h | 35% | 0% | 4 |
| Fri 4p | Sunny | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 7 mph11 km/h from E, gusts 10 mph17 km/h | 34% | 0% | 2 |
| Fri 5p | Sunny | 73°23° (likely 70°21° to 73°23°) | 73°23° | 0% | 7 mph11 km/h from NE, gusts 11 mph18 km/h | 34% | 1% | 1 |
| Fri 6p | Sunny | 71°22° (likely 68°20° to 71°22°) | 71°22° | 0% | 6 mph10 km/h from E, gusts 11 mph18 km/h | 38% | 0% | 0 |
| Fri 7p | Clear | 68°20° (likely 63°17° to 68°20°) | 68°20° | 0% | 5 mph8 km/h from E, gusts 8 mph12 km/h | 40% | 5% | 0 |
| Fri 8p | Clear | 64°18° (likely 59°15° to 64°18°) | 64°18° | 0% | 6 mph10 km/h from E, gusts 8 mph13 km/h | 58% | 1% | 0 |
| Fri 9p | Clear | 59°15° (likely 57°14° to 61°16°) | 59°15° | 0% | 6 mph10 km/h from E, gusts 10 mph16 km/h | 72% | 1% | 0 |
| Fri 10p | Clear | 57°14° (likely 56°13° to 59°15°) | 57°14° | 0% | 6 mph10 km/h from E, gusts 11 mph17 km/h | 75% | 2% | 0 |
| Fri 11p | Clear | 56°13° (likely 54°12° to 58°14°) | 56°13° | 0% | 5 mph8 km/h from E, gusts 11 mph18 km/h | 77% | 2% | 0 |
| Sat 12a | Clear | 54°12° (likely 53°12° to 57°14°) | 54°12° | 0% | 5 mph8 km/h from E, gusts 11 mph17 km/h | 80% | 2% | 0 |
| Sat 1a | Clear | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 5 mph8 km/h from E, gusts 11 mph18 km/h | 86% | 1% | 0 |
| Sat 2a | Clear | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 5 mph8 km/h from E, gusts 11 mph18 km/h | 86% | 0% | 0 |
| Sat 3a | Clear | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from E, gusts 10 mph16 km/h | 93% | 0% | 0 |
| Sat 4a | Clear | 49°9° (likely 49°9° to 52°11°) | 48°9° | 0% | 3 mph5 km/h from E, gusts 9 mph15 km/h | 93% | 1% | 0 |
| Sat 5a | Clear | 48°9° (likely 47°8° to 51°11°) | 47°8° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 96% | 1% | 0 |
| Sat 6a | Clear | 47°8° (likely 45°7° to 50°10°) | 46°8° | 0% | 3 mph5 km/h from E, gusts 5 mph7 km/h | 96% | 1% | 0 |
| Sat 7a | Clear | 46°8° (likely 44°7° to 49°9°) | 45°7° | 0% | 3 mph5 km/h from E, gusts 6 mph10 km/h | 100% | 1% | 0 |
| Sat 8a | Sunny | 46°8° (likely 43°6° to 48°9°) | 45°7° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 100% | 0% | 0 |
| Sat 9a | Sunny | 48°9° (likely 45°7° to 50°10°) | 47°8° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 96% | 18% | 0 |
| Sat 10a | Sunny | 54°12° (likely 53°12° to 55°13°) | 54°12° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 83% | 2% | 1 |
| Sat 11a | Sunny | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 3 mph5 km/h from E, gusts 10 mph15 km/h | 69% | 37% | 2 |
| Sat 12p | Sunny | 64°18° (likely 63°17° to 65°18°) | 64°18° | 0% | 3 mph5 km/h from E, gusts 9 mph15 km/h | 58% | 42% | 3 |
| Sat 1p | Sunny | 68°20° (likely 67°19° to 69°21°) | 68°20° | 0% | 3 mph5 km/h from E, gusts 8 mph12 km/h | 49% | 43% | 4 |
| Sat 2p | Mostly sunny | 70°21° (likely 70°21° to 72°22°) | 70°21° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 44% | 45% | 5 |
| Sat 3p | Mostly sunny | 72°22° (likely 72°22° to 73°23°) | 72°22° | 0% | 1 mph2 km/h from E, gusts 6 mph9 km/h | 41% | 50% | 4 |
| Sat 4p | Cloudy | 72°22° (likely 72°22° to 73°23°) | 72°22° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 39% | 57% | 3 |
| Sat 5p | Cloudy | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 1 mph2 km/h from E, gusts 5 mph9 km/h | 38% | 60% | 2 |
| Sat 6p | Cloudy | 71°22° (likely 70°21° to 71°22°) | 71°22° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 42% | 57% | 1 |
| Sat 7p | Mostly clear | 67°19° (likely 64°18° to 68°20°) | 67°19° | 0% | 2 mph3 km/h from E, gusts 2 mph4 km/h | 50% | 51% | 0 |
| Sat 8p | Partly cloudy | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 58% | 47% | 0 |
| Sat 9p | Clear | 58°14° (likely 58°14° to 62°17°) | 58°14° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 72% | 53% | 0 |
| Sat 10p | Mostly clear | 55°13° (likely 55°13° to 60°16°) | 55°13° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 80% | 48% | 0 |
| Sat 11p | Mostly clear | 54°12° (likely 54°12° to 60°16°) | 54°12° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 80% | 51% | 0 |
| Sun 12a | Clear | 53°12° (likely 52°11° to 59°15°) | 53°12° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 80% | 32% | 0 |
| Sun 1a | Mostly clear | 52°11° (likely 50°10° to 58°14°) | 52°11° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 83% | 31% | 0 |
| Sun 2a | Clear | 51°11° (likely 47°8° to 57°14°) | 51°11° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 83% | 16% | 0 |
| Sun 3a | Clear | 50°10° (likely 44°7° to 57°14°) | 50°10° | 0% | 2 mph3 km/h from E, gusts 3 mph4 km/h | 86% | 16% | 0 |
| Sun 4a | Clear | 49°9° (likely 43°6° to 56°13°) | 49°9° | 0% | 2 mph3 km/h from E, gusts 3 mph4 km/h | 89% | 17% | 0 |
| Sun 5a | Clear | 48°9° (likely 42°6° to 55°13°) | 48°9° | 0% | 2 mph3 km/h from E, gusts 2 mph4 km/h | 93% | 16% | 0 |
| Sun 6a | Clear | 46°8° (likely 41°5° to 55°13°) | 46°8° | 0% | 2 mph3 km/h from E, gusts 3 mph4 km/h | 96% | 25% | 0 |
Days ahead
Today, Oct 23. Sunny. High 73°23°, low 46°8°. Typical 68°20° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 46°8°Dry
Afternoon
noon–6 PM
Sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Official NWS forecast
Today: Sunny, with a high near 73. Northeast wind 1 to 7 mph.
Tonight: Clear, with a low around 46. East wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 71°22°–73°23°
- Low, likely
- 43°6°–48°9°
- Typical high / low
- 68°20° / 47°8°
- Wind
- 9 mph14 km/h, gusts 16 mph25 km/h
- UV peak
- 5
Tomorrow, Oct 24. Mostly sunny. High 73°23°, low 45°7°. Typical 67°19° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 46°8°Dry
Afternoon
noon–6 PM
Mostly sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 63°17°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Official NWS forecast
Day: Sunny, with a high near 73. East wind around 3 mph.
Night: Mostly clear, with a low around 45. East wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–73°23°
- Low, likely
- 43°6°–48°9°
- Typical high / low
- 67°19° / 47°8°
- Wind
- 9 mph15 km/h, gusts 16 mph26 km/h
- UV peak
- 5
Sunday, Oct 25. Mostly sunny. High 75°24°, low 45°7°. Typical 67°19° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 46°8°Dry
Afternoon
noon–6 PM
Sunny, 75°24°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 49°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 75. Southeast wind around 2 mph.
Night: Mostly clear, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 74°23°–75°24°
- Low, likely
- 40°4°–52°11°
- Typical high / low
- 67°19° / 47°8°
- Wind
- 7 mph11 km/h
- UV peak
- 5
Monday, Oct 26. Partly sunny. High 74°23°, low 48°9°. Typical 66°19° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Cloudy, 75°24°Dry
Evening
6 PM–midnight
Cloudy, 65°18°Dry
Overnight
midnight–6 AM
Cloudy, 51°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 74°23°–75°24°
- Low, likely
- 40°4°–53°12°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 4 mph6 km/h, gusts 9 mph15 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 73°23°, low 50°10°. Typical 66°19° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 48°9°Dry
Afternoon
noon–6 PM
Cloudy, 74°23°Dry
Evening
6 PM–midnight
Cloudy, 65°18°Dry
Overnight
midnight–6 AM
Cloudy, 55°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Mostly cloudy, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 73°23°–74°23°
- Low, likely
- 41°5°–55°13°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 5 mph8 km/h, gusts 13 mph20 km/h
- UV peak
- 4
Wednesday, Oct 28. Cloudy. High 74°23°, low 49°9°. Typical 66°19° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 53°12°Dry
Afternoon
noon–6 PM
Mostly sunny, 76°24°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 73°23°–77°25°
- Low, likely
- 47°8°–58°14°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 8 mph13 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Thursday, Oct 29. Mostly sunny. High 75°24°, low 49°9°. Typical 65°18° / 45°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 74°23°Dry
Evening
6 PM–midnight
Clear, 63°17°Dry
Overnight
midnight–6 AM
Clear, 51°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly clear, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 71°22°–76°24°
- Low, likely
- 40°4°–56°13°
- Typical high / low
- 65°18° / 45°7°
- Wind
- 8 mph13 km/h, gusts 21 mph34 km/h
- UV peak
- 4
Friday, Oct 30. Mostly sunny. High 72°22°, low 50°10°. Typical 65°18° / 45°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 71°22°Dry
Evening
6 PM–midnight
Clear, 62°17°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 63°17°–77°25°
- Low, likely
- 47°8°–56°13°
- Typical high / low
- 65°18° / 45°7°
- Wind
- 11 mph18 km/h, gusts 21 mph33 km/h
- UV peak
- 4
Saturday, Oct 31. Showers. High 67°19°, low 52°11°. Typical 64°18° / 44°7°. Rain 0.19 in4.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 51°10°Dry
Afternoon
noon–6 PM
Sunny, 65°18°Dry
Evening
6 PM–midnight
Rain, 61°16°20% chance · 0.13 in3.4 mm
Overnight
midnight–6 AM
Drizzle, 55°13°40% chance · 0.05 in1.1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 62°17°–72°22°
- Low, likely
- 43°6°–64°18°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 11 mph17 km/h, gusts 26 mph42 km/h
Sunday, Nov 1. Drizzle. High 69°21°, low 55°13°. Typical 64°18° / 44°7°. Rain 0.23 in5.8 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 55°13°40% chance
Afternoon
noon–6 PM
Cloudy, 66°19°40% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
Cloudy, 60°16°30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 65°18°–72°22°
- Low, likely
- 48°9°–59°15°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 9 mph15 km/h, gusts 23 mph36 km/h
- UV peak
- 1
The outlook
Today
Dry, high 73°, low 46°.
Tomorrow
Dry, high 73°, low 45°.
Sunday
Dry, high 75°, low 45°.
Rest of week
Highs 67–75°; chance of precipitation on Sunday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (LMK) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 73% less heating than a typical week.
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 6
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 43°F).
Open the windows?
Today, 11:00 AM–8:00 PM
Good stretch to open the windows.
Is this typical?
Oct 23, today vs a typical year
Today’s expected high is 5°3° warmer than typical.
- Normal high / low
- 68°20° / 47°8°
- Forecast high / low
- 73°23° / 46°8°
- Record high
- 86°30° in 1920
- Record low
- 28°−2° in 1952
Last 7 days vs normal
On average 2°1° colder than normal (daily mean temperature).
- −8°−4°SatOct 17
- −5°−3°SunOct 18
- −2°−1°MonOct 19
- +2°+1°TueOct 20
- +3°+1°WedOct 21
- +3°+2°ThuOct 22
- —FriOct 23
Louisville/Jefferson County metro weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:59 AM, sunset 6:53 PM.
- Daylight
- 10 h 55 min
- Losing 2 min 16 s a day; shortest Dec 21, 1 h 24 min less
- Golden hour
- 6:17–7:10 PM
- Morning 7:42–8:35 AM
- Blue hour
- 7:10–7:20 PM
- Morning 7:32–7:42 AM; first light 7:32 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
91% lit · growing
- Today
- sets 5:08 AM · rises 5:23 PM
- Full moon
- Oct 26
- New moon
- Nov 9
