Observed 6:50 PM EDT at KTYS

Alcoa, TN weather

Sunny and 66°19°, jacket by 9 PM.

Mostly agree

Now 66°19°

Sunny

Wind: 3 mph5 km/h; From the east-northeast. Light through 7 AM
Dew point: 38°3°; Comfortable
UV tomorrow: 5Moderate; Moderate 11 AM–5 PM · peak 5
Air quality: 45Good; Main pollutant: Ozone

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 41°5° tomorrow at 7 AM
Above 60°16° tomorrow by noon
High 74°23° tomorrow at 4 PM
Below 60°16° tomorrow night after 8 PM

TonightDown to 44°7° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 74°23° by 4 PM · Clear
Tomorrow nightDown to 45°7° by 4 AM · Partly cloudy
Sunday morningUp to 58°14° by 11 AM · Clear
Sunday afternoonUp to 74°23° by 4 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 7p	Clear	64°18° (likely 60°16° to 64°18°)	64°18°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	38%	0%	0
Fri 8p	Clear	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 4 mph7 km/h	49%	0%	0
Fri 9p	Clear	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	57%	0%	0
Fri 10p	Clear	53°12° (likely 51°11° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	61%	1%	0
Fri 11p	Clear	51°11° (likely 49°9° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	66%	0%	0
Sat 12a	Clear	50°10° (likely 47°8° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 2 mph4 km/h	66%	0%	0
Sat 1a	Clear	48°9° (likely 46°8° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	71%	0%	0
Sat 2a	Clear	48°9° (likely 44°7° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	68%	0%	0
Sat 3a	Clear	46°8° (likely 43°6° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	73%	0%	0
Sat 4a	Clear	45°7° (likely 42°6° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 2 mph4 km/h	76%	0%	0
Sat 5a	Clear	44°7° (likely 41°5° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	79%	0%	0
Sat 6a	Clear	42°6° (likely 40°4° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	0%	0
Sat 7a	Clear	41°5° (likely 39°4° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 2 mph4 km/h	86%	0%	0
Sat 8a	Sunny	42°6° (likely 38°3° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	82%	0%	0
Sat 9a	Sunny	46°8° (likely 41°5° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	76%	2%	0
Sat 10a	Sunny	54°12° (likely 49°9° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 2 mph4 km/h	61%	0%	1
Sat 11a	Sunny	59°15° (likely 56°13° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	55%	0%	3
Sat 12p	Sunny	63°17° (likely 61°16° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 4 mph7 km/h	50%	0%	4
Sat 1p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 5 mph8 km/h	42%	0%	5
Sat 2p	Sunny	71°22° (likely 67°19° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 6 mph10 km/h	38%	0%	5
Sat 3p	Mostly sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	35%	18%	5
Sat 4p	Sunny	74°23° (likely 70°21° to 74°23°)	74°23°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	34%	41%	4
Sat 5p	Sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	35%	41%	2
Sat 6p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	39%	36%	1
Sat 7p	Mostly clear	65°18° (likely 61°16° to 65°18°)	65°18°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	46%	45%	0
Sat 8p	Mostly clear	59°15° (likely 57°14° to 61°16°)	59°15°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	57%	41%	0
Sat 9p	Partly cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	64%	41%	0
Sat 10p	Partly cloudy	54°12° (likely 51°11° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	66%	40%	0
Sat 11p	Clear	52°11° (likely 49°9° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	71%	41%	0
Sun 12a	Clear	50°10° (likely 47°8° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 2 mph4 km/h	77%	40%	0
Sun 1a	Clear	49°9° (likely 45°7° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	77%	40%	0
Sun 2a	Partly cloudy	48°9° (likely 44°7° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	22%	0
Sun 3a	Clear	47°8° (likely 42°6° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	38%	0
Sun 4a	Clear	45°7° (likely 41°5° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	3%	0
Sun 5a	Clear	45°7° (likely 40°4° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	0%	0
Sun 6a	Clear	44°7° (likely 39°4° to 47°8°)	44°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	10%	0
Sun 7a	Clear	44°7° (likely 38°3° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 2 mph4 km/h	82%	12%	0
Sun 8a	Sunny	44°7° (likely 38°3° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	12%	0
Sun 9a	Sunny	46°8° (likely 40°4° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 5 mph7 km/h	96%	13%	0
Sun 10a	Sunny	52°11° (likely 47°8° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	83%	1%	1
Sun 11a	Sunny	58°14° (likely 54°12° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	72%	0%	3
Sun 12p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 6 mph9 km/h	60%	0%	4
Sun 1p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 7 mph12 km/h	52%	0%	5
Sun 2p	Sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	47%	0%	5
Sun 3p	Sunny	73°23° (likely 68°20° to 73°23°)	73°23°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	43%	0%	4
Sun 4p	Sunny	74°23° (likely 69°21° to 74°23°)	74°23°	0%	5 mph8 km/h from NE, gusts 11 mph17 km/h	40%	0%	4
Sun 5p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	41%	0%	2
Sun 6p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	44%	0%	1

Days ahead

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

Today, Oct 23. Mostly sunny. High 72°22°, low 41°5°. Typical 69°21° / 46°8°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Tonight: Mostly clear. Low around 41, with temperatures rising to around 44 overnight. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
40°4°–44°7°
Typical high / low
69°21° / 46°8°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
5
Tomorrow, Oct 24. Mostly sunny. High 74°23°, low 44°7°. Typical 69°21° / 45°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 74. Northeast wind 0 to 5 mph.
Night: Partly cloudy, with a low around 44. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
70°21°–74°23°
Low, likely
38°3°–46°8°
Typical high / low
69°21° / 45°7°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
5
Sunday, Oct 25. Fog. High 74°23°, low 42°6°. Typical 68°20° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Day: Areas of fog between 8am and 9am. Sunny, with a high near 74. Northeast wind 0 to 5 mph.
Night: Areas of fog after 1am. Mostly clear, with a low around 42. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
37°3°–46°8°
Typical high / low
68°20° / 45°7°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
5
Monday, Oct 26. Fog. High 74°23°, low 44°7°. Typical 68°20° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Sunny, with a high near 74. North wind 0 to 5 mph.
Night: Partly cloudy, with a low around 44. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
36°2°–45°7°
Typical high / low
68°20° / 45°7°
Wind
7 mph11 km/h, gusts 15 mph25 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 75°24°, low 47°8°. Typical 68°20° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 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 75.
Night: Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
37°3°–47°8°
Typical high / low
68°20° / 44°7°
Wind
4 mph7 km/h, gusts 11 mph18 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 74°23°, low 46°8°. Typical 67°19° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  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 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
42°6°–50°10°
Typical high / low
67°19° / 44°7°
Wind
4 mph7 km/h, gusts 10 mph17 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 76°24°, low 47°8°. Typical 67°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: Mostly clear, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
42°6°–48°9°
Typical high / low
67°19° / 43°6°
Wind
5 mph8 km/h, gusts 17 mph27 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 76°24°, low 47°8°. Typical 66°19° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
75°24°–77°25°
Low, likely
45°7°–49°9°
Typical high / low
66°19° / 43°6°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 74°23°, low 52°11°. Typical 66°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  20% 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
72°22°–77°25°
Low, likely
51°11°–53°12°
Typical high / low
66°19° / 43°6°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 75°24°, low 58°14°. Typical 66°19° / 42°6°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 69°21°
  20% 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
69°21°–79°26°
Low, likely
57°14°–59°15°
Typical high / low
66°19° / 42°6°
Wind
12 mph19 km/h, gusts 26 mph42 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 41°.
Tomorrow
Dry, high 74°, low 44°.
Sunday
Dry, high 74°, low 42°.
Rest of week
Mostly dry, highs 74–76°.

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

9.1 mi

Below flood stage

Level: 813 ft
Flow: 60,500 cfs

Forecast peak 813 ft Sat 1 PM

Reading from Fri 6:15 PM · NWS gauge page

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

16 mi

Below flood stage

Level: 742 ft

Forecast peak 742 ft Sat 1 AM

Reading from Fri 6 PM · NWS gauge page

Little River (TN) near Alcoa

2.4 mi

Level: 1.7 ft
Flow: 77 cfs

Reading from Fri 6 PM · NWS gauge page

Little River (TN) near Maryville

5.1 mi

Below flood stage

Level: 5.2 ft
Flow: 84 cfs

Reading from Fri 5:15 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 65% less heating than a typical week.

This week 21Typical 61

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 14
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 3 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 40°F).

Open the windows?

Sat, 12:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 23, today vs a typical year

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

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

−7°−4°SatOct 17
−6°−3°SunOct 18
−4°−2°MonOct 19
−1°TueOct 20
±0°WedOct 21
+1°±0°ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 11 h 0 min; Losing 2 min 2 s a day; shortest Dec 21, 1 h 17 min less
Golden hour: 6:15–7:06 PM; Morning 7:33–8:24 AM
Blue hour: 7:06–7:16 PM; Morning 7:23–7:33 AM; first light 7:23 AM

Stars tonight? Good

Clear 7:16 PM–7:24 AM; moon 95% lit, sets 6:06 AM.

Moon

Waxing gibbous

94% lit · growing

Today: sets 5:01 AM · rises 5:17 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Alcoa. The highest point on the skyline is about 6,600 ft, 40 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Alcoa, TN weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Tennessee River at Knoxville

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

Little River (TN) near Alcoa

Little River (TN) near Maryville

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon