Observed 11:45 AM EDT at KTYS

Louisville, TN weather

Sunny and 63°17°.

Forecasts agree

Now 63°17°

Sunny

Wind: 3 mph5 km/h; From the northeast. Up to 5 mph8 km/h through 12 AM
Dew point: 45°7°; Comfortable
UV index: 4Moderate; Moderate until 5 PM · peak 5
Air quality: 43Good; Ozone · tomorrow moderate

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (58°14° then, 58°14° now)

Good hours for

High 72°22° today at 4 PM
Below 60°16° tonight after 9 PM
Low 47°8° tomorrow at 7 AM
Above 60°16° tomorrow by noon

This afternoonUp to 72°22° by 4 PM · Clear
TonightDown to 49°9° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 73°23° by 4 PM · Clear
Tomorrow nightDown to 48°9° by 4 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 12p	Sunny	62°17° (likely 59°15° to 64°18°)	62°17°	0%	0 mph0 km/h, gusts 4 mph7 km/h	54%	0%	4
Sat 1p	Sunny	66°19° (likely 63°17° to 67°19°)	66°19°	0%	0 mph0 km/h, gusts 4 mph7 km/h	45%	0%	5
Sat 2p	Sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	0 mph0 km/h, gusts 4 mph6 km/h	40%	0%	5
Sat 3p	Sunny	71°22° (likely 68°20° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 6 mph9 km/h	36%	2%	4
Sat 4p	Sunny	72°22° (likely 69°21° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 7 mph11 km/h	34%	5%	3
Sat 5p	Sunny	72°22° (likely 69°21° to 72°22°)	72°22°	0%	5 mph8 km/h from NE, gusts 8 mph14 km/h	34%	6%	1
Sat 6p	Mostly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	36%	36%	0
Sat 7p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	5 mph8 km/h from NE, gusts 5 mph7 km/h	42%	23%	0
Sat 8p	Clear	62°17° (likely 58°14° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 4 mph6 km/h	50%	1%	0
Sat 9p	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 4 mph6 km/h	60%	1%	0
Sat 10p	Mostly clear	56°13° (likely 52°11° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	72%	44%	0
Sat 11p	Mostly clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	77%	42%	0
Sun 12a	Clear	53°12° (likely 48°9° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	27%	0
Sun 1a	Mostly clear	51°11° (likely 47°8° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	15%	0
Sun 2a	Clear	50°10° (likely 46°8° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 3 mph5 km/h	93%	2%	0
Sun 3a	Clear	51°11° (likely 44°7° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 3 mph4 km/h	89%	9%	0
Sun 4a	Clear	50°10° (likely 43°6° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 2 mph3 km/h	93%	13%	0
Sun 5a	Clear	49°9° (likely 43°6° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	13%	0
Sun 6a	Clear	48°9° (likely 42°6° to 48°9°)	48°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	12%	0
Sun 7a	Clear	47°8° (likely 41°5° to 47°8°)	47°8°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	12%	0
Sun 8a	Sunny	47°8° (likely 41°5° to 47°8°)	47°8°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	13%	0
Sun 9a	Sunny	49°9° (likely 43°6° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	16%	0
Sun 10a	Sunny	54°12° (likely 49°9° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	86%	1%	1
Sun 11a	Sunny	58°14° (likely 55°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 5 mph9 km/h	77%	0%	3
Sun 12p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 6 mph10 km/h	65%	0%	4
Sun 1p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 8 mph12 km/h	54%	0%	5
Sun 2p	Sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	45%	0%	5
Sun 3p	Sunny	71°22° (likely 69°21° to 71°22°)	71°22°	0%	5 mph8 km/h from NE, gusts 10 mph17 km/h	42%	0%	4
Sun 4p	Sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	40%	0%	4
Sun 5p	Sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from NE, gusts 11 mph17 km/h	40%	0%	2
Sun 6p	Sunny	71°22° (likely 66°19° to 71°22°)	71°22°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	41%	0%	1
Sun 7p	Clear	67°19° (likely 61°16° to 67°19°)	67°19°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	47%	0%	0
Sun 8p	Clear	63°17° (likely 58°14° to 63°17°)	63°17°	0%	5 mph8 km/h from NE, gusts 7 mph10 km/h	54%	0%	0
Sun 9p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 6 mph9 km/h	64%	0%	0
Sun 10p	Clear	56°13° (likely 52°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	74%	0%	0
Sun 11p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph6 km/h	80%	0%	0
Mon 12a	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 2 mph2 km/h	86%	0%	0
Mon 1a	Clear	51°11° (likely 47°8° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	0%	0
Mon 2a	Clear	49°9° (likely 46°8° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Mon 3a	Clear	49°9° (likely 44°7° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	5%	0
Mon 4a	Clear	48°9° (likely 43°6° to 48°9°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	6%	0
Mon 5a	Clear	48°9° (likely 41°5° to 48°9°)	48°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	12%	0
Mon 6a	Clear	47°8° (likely 40°4° to 47°8°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	11%	0
Mon 7a	Clear	46°8° (likely 39°4° to 46°8°)	46°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	14%	0
Mon 8a	Sunny	46°8° (likely 38°3° to 46°8°)	46°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	18%	0
Mon 9a	Sunny	49°9° (likely 39°4° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	93%	22%	0
Mon 10a	Sunny	53°12° (likely 45°7° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	6%	1
Mon 11a	Mostly sunny	58°14° (likely 53°12° to 62°17°)	58°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	75%	6%	3

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 72°22°, low 47°8°. Typical 69°21° / 45°7°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
2. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Today: Sunny, with a high near 72. Northeast wind 0 to 5 mph.
Tonight: Mostly clear, with a low around 47. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–72°22°
Low, likely
39°4°–47°8°
Typical high / low
69°21° / 45°7°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
5
Tomorrow, Oct 25. Mostly sunny. High 73°23°, low 46°8°. Typical 68°20° / 45°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 73. Northeast wind 0 to 5 mph.
Night: Mostly clear, with a low around 46. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–73°23°
Low, likely
41°5°–47°8°
Typical high / low
68°20° / 45°7°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 72°22°, low 47°8°. Typical 68°20° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 72. Northeast wind 0 to 5 mph.
Night: Partly cloudy, with a low around 47. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–72°22°
Low, likely
38°3°–47°8°
Typical high / low
68°20° / 45°7°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 74°23°, low 50°10°. Typical 68°20° / 44°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74. Northeast wind around 0 mph.
Night: Partly cloudy, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–75°24°
Low, likely
40°4°–50°10°
Typical high / low
68°20° / 44°7°
Wind
5 mph8 km/h, gusts 10 mph16 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 73°23°, low 48°9°. Typical 67°19° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 62°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 73.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
42°6°–51°11°
Typical high / low
67°19° / 44°7°
Wind
6 mph9 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 75°24°, low 49°9°. Typical 67°19° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 75.
Night: Mostly clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–75°24°
Low, likely
45°7°–49°9°
Typical high / low
67°19° / 43°6°
Wind
6 mph9 km/h, gusts 17 mph27 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 75°24°, low 52°11°. Typical 66°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–77°25°
Low, likely
46°8°–52°11°
Typical high / low
66°19° / 43°6°
Wind
9 mph15 km/h, gusts 15 mph24 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 75°24°, low 54°12°. Typical 66°19° / 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  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
71°22°–80°27°
Low, likely
50°10°–58°14°
Typical high / low
66°19° / 43°6°
Wind
6 mph9 km/h, gusts 14 mph22 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 75°24°, low 57°14°. Typical 66°19° / 42°6°. Rain 0.05 in1.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 69°21°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 62°17°
  20% chance · 0.02 in0.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–78°26°
Low, likely
53°12°–63°17°
Typical high / low
66°19° / 42°6°
Wind
9 mph14 km/h, gusts 18 mph28 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 70°21°, low 59°15°. Typical 65°18° / 42°6°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  20% chance · 0.05 in1.2 mm
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  20% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  20% chance · 0.02 in0.4 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
59°15°–79°26°
Low, likely
51°11°–65°18°
Typical high / low
65°18° / 42°6°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 47°.
Tomorrow
Dry, high 73°, low 46°.
Monday
Dry, high 72°, low 47°.
Rest of week
Mostly dry, highs 70–75°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (MRX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Tennessee River at Knoxville

10 mi

Below flood stage

Level: 813 ft
Flow: 61,200 cfs

Forecast peak 813 ft Sun 7 AM

Reading from Sat 10:15 AM · NWS gauge page

Tennessee River below Ft. Loudoun Dam (Lenoir City 1E)

11 mi

Below flood stage

Level: 741 ft

Forecast peak 742 ft Sun 1 AM

Reading from Sat 10 AM · NWS gauge page

Clinch River below Melton Hill Dam

16 mi

Below flood stage

Level: 741 ft

Forecast peak 741 ft Fri 1 AM

Reading from Sat 10 AM · NWS gauge page

Little River (TN) near Alcoa

7.1 mi

Level: 1.6 ft
Flow: 76 cfs

Reading from Sat 10 AM · NWS gauge page

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.

This week 17Typical 64

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 5
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 45°F).

Open the windows?

Today, 1:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Knoxville Airport · official normals 1991–2020 · records 1871–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−6°−3°SunOct 18
−4°−2°MonOct 19
−1°TueOct 20
±0°WedOct 21
+1°±0°ThuOct 22
+1°FriOct 23
—SatOct 24

Louisville weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 58 min; Losing 2 min 7 s a day; shortest Dec 21, 1 h 14 min less
Golden hour: 6:14–7:05 PM; Morning 7:34–8:26 AM
Blue hour: 7:05–7:15 PM; Morning 7:24–7:34 AM; first light 7:24 AM

Stars tonight? Fair

Mostly clear 1–7:25 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:06 AM · rises 5:45 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Louisville. The highest point on the skyline is about 6,600 ft, 45 mi away.Skyline from USGS elevation data, heights drawn up to 5.5× taller. Sky, sun and moon as they are now.

Louisville, TN weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Tennessee River at Knoxville

Tennessee River below Ft. Loudoun Dam (Lenoir City 1E)

Clinch River below Melton Hill Dam

Little River (TN) near Alcoa

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon