What is the weather in Knoxville right now?

Current weather in Knoxville is overcast clouds.

Where can I find the hourly weather forecast for Knoxville?

This page shows hourly weather forecast for Knoxville, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Knoxville updated regularly?

Weather data for Knoxville is updated regularly with the latest available observations and forecasts.

Now · 12:21 AM

Knoxville Weather & Hourly Forecast

United States · Pennsylvania · 16928

63°F

Overcast night

Feels like: 63°F

💧 Humidity 85% 🌡 Pressure 29.97 inHg 💨 Wind 4 mph 👁 Visibility 20.1 mi ☁ Clouds 98% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Knoxville

Today

1:00 AM

Overcast night

62° 💧 None 💨 5 mph H 87%30.00 inHg

4:00 AM

Clear night

56° 💧 None 💨 4 mph H 93%30.00 inHg

7:00 AM

Sunny

53° 💧 None 💨 4 mph H 93%30.03 inHg

10:00 AM

Sunny

63° 💧 None 💨 5 mph H 63%30.06 inHg

1:00 PM

Sunny

68° 💧 None 💨 6 mph H 48%30.06 inHg

4:00 PM

Sunny

70° 💧 None 💨 4 mph H 47%30.03 inHg

7:00 PM

Sunny

64° 💧 None 💨 2 mph H 72%30.03 inHg

10:00 PM

Mostly clear night

57° 💧 None 💨 2 mph H 76%30.06 inHg

Tomorrow

1:00 AM

Partly cloudy night

54° 💧 None 💨 2 mph H 84%30.06 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 4 mph H 88%30.03 inHg

7:00 AM

Mostly sunny

54° 💧 None 💨 5 mph H 82%30.06 inHg

10:00 AM

Overcast

67° 💧 None 💨 8 mph H 63%30.06 inHg

1:00 PM

Overcast

72° 💧 0.000 in 💨 13 mph H 64%30.03 inHg

4:00 PM

Overcast

69° 💧 0.001 in 💨 12 mph H 77%29.97 inHg

7:00 PM

Overcast

68° 💧 0.010 in 💨 9 mph H 87%29.97 inHg

10:00 PM

Partly cloudy night

66° 💧 0.018 in 💨 10 mph H 96%29.97 inHg

Today

1:00 AM

Overcast night

62° 💧 None 💨 5 mph H 87%30.00 inHg

2:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 87%30.00 inHg

3:00 AM

Clear night

58° 💧 None 💨 4 mph H 91%30.00 inHg

4:00 AM

Clear night

56° 💧 None 💨 4 mph H 93%30.00 inHg

5:00 AM

Clear night

55° 💧 None 💨 4 mph H 94%30.00 inHg

6:00 AM

Clear night

54° 💧 None 💨 4 mph H 93%30.03 inHg

7:00 AM

Sunny

53° 💧 None 💨 4 mph H 93%30.03 inHg

8:00 AM

Sunny

56° 💧 None 💨 4 mph H 88%30.06 inHg

9:00 AM

Sunny

60° 💧 None 💨 4 mph H 78%30.06 inHg

10:00 AM

Sunny

63° 💧 None 💨 5 mph H 63%30.06 inHg

11:00 AM

Sunny

65° 💧 None 💨 6 mph H 55%30.06 inHg

12:00 PM

Sunny

67° 💧 None 💨 6 mph H 50%30.06 inHg

1:00 PM

Sunny

68° 💧 None 💨 6 mph H 48%30.06 inHg

2:00 PM

Sunny

69° 💧 None 💨 5 mph H 47%30.03 inHg

3:00 PM

Sunny

70° 💧 None 💨 4 mph H 47%30.03 inHg

4:00 PM

Sunny

70° 💧 None 💨 4 mph H 47%30.03 inHg

5:00 PM

Sunny

70° 💧 None 💨 4 mph H 49%30.00 inHg

6:00 PM

Sunny

69° 💧 None 💨 3 mph H 53%30.00 inHg

7:00 PM

Sunny

64° 💧 None 💨 2 mph H 72%30.03 inHg

8:00 PM

Clear night

60° 💧 None 💨 4 mph H 76%30.03 inHg

9:00 PM

Mostly clear night

58° 💧 None 💨 3 mph H 76%30.06 inHg

10:00 PM

Mostly clear night

57° 💧 None 💨 2 mph H 76%30.06 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 3 mph H 79%30.09 inHg

Tomorrow

12:00 AM

Mostly clear night

55° 💧 None 💨 2 mph H 82%30.09 inHg

1:00 AM

Partly cloudy night

54° 💧 None 💨 2 mph H 84%30.06 inHg

2:00 AM

Partly cloudy night

53° 💧 None 💨 3 mph H 86%30.06 inHg

3:00 AM

Mostly cloudy night

53° 💧 None 💨 3 mph H 87%30.03 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 4 mph H 88%30.03 inHg

5:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 85%30.03 inHg

6:00 AM

Mostly cloudy night

54° 💧 None 💨 5 mph H 83%30.06 inHg

7:00 AM

Mostly sunny

54° 💧 None 💨 5 mph H 82%30.06 inHg

8:00 AM

Mostly sunny

58° 💧 None 💨 6 mph H 76%30.09 inHg

9:00 AM

Partly cloudy

63° 💧 None 💨 6 mph H 69%30.06 inHg

10:00 AM

Overcast

67° 💧 None 💨 8 mph H 63%30.06 inHg

11:00 AM

Mostly cloudy

70° 💧 None 💨 10 mph H 62%30.03 inHg

12:00 PM

Overcast

72° 💧 None 💨 12 mph H 63%30.03 inHg

1:00 PM

Overcast

72° 💧 None 💨 13 mph H 64%30.03 inHg

2:00 PM

Overcast

72° 💧 0.000 in 💨 13 mph H 66%30.00 inHg

3:00 PM

Overcast

70° 💧 None 💨 13 mph H 71%30.00 inHg

4:00 PM

Overcast

69° 💧 None 💨 12 mph H 77%29.97 inHg

5:00 PM

Overcast

69° 💧 0.001 in 💨 11 mph H 79%29.97 inHg

6:00 PM

Overcast

69° 💧 0.000 in 💨 11 mph H 83%29.97 inHg

7:00 PM

Overcast

68° 💧 0.001 in 💨 9 mph H 87%29.97 inHg

8:00 PM

Light rain

66° 💧 0.006 in 💨 9 mph H 94%29.94 inHg

9:00 PM

Mostly cloudy night

66° 💧 0.003 in 💨 11 mph H 96%29.97 inHg

10:00 PM

Partly cloudy night

66° 💧 None 💨 10 mph H 96%29.97 inHg

11:00 PM

Light rain

65° 💧 0.010 in 💨 9 mph H 97%29.97 inHg

Sunday

12:00 AM

Light rain

65° 💧 0.008 in 💨 10 mph H 97%29.94 inHg

1:00 AM

Light rain

66° 💧 0.006 in 💨 9 mph H 97%29.94 inHg

2:00 AM

Mostly cloudy night

66° 💧 0.004 in 💨 9 mph H 97%29.94 inHg

3:00 AM

Mostly cloudy night

66° 💧 None 💨 8 mph H 97%29.91 inHg

4:00 AM

Overcast night

67° 💧 None 💨 7 mph H 97%29.91 inHg

5:00 AM

Overcast night

67° 💧 None 💨 6 mph H 97%29.91 inHg

6:00 AM

Overcast night

67° 💧 None 💨 6 mph H 97%29.91 inHg

7:00 AM

Overcast

67° 💧 0.000 in 💨 7 mph H 97%29.94 inHg

8:00 AM

Overcast

68° 💧 0.000 in 💨 8 mph H 95%29.94 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 11 mph H 63%29.91 inHg

8:00 PM

Mostly cloudy night

67° 💧 None 💨 7 mph H 86%29.97 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 6 mph H 93%30.03 inHg

Monday

2:00 AM

Mostly cloudy night

62° 💧 None 💨 6 mph H 90%30.03 inHg

5:00 AM

Light rain

60° 💧 None 💨 4 mph H 95%30.06 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 8 mph H 97%30.12 inHg

11:00 AM

Mostly sunny

63° 💧 None 💨 8 mph H 71%30.18 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 8 mph H 54%30.18 inHg

5:00 PM

Sunny

66° 💧 None 💨 8 mph H 52%30.18 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 73%30.24 inHg

11:00 PM

Clear night

52° 💧 None 💨 3 mph H 90%30.30 inHg

Tuesday

2:00 AM

Mostly clear night

49° 💧 None 💨 3 mph H 90%30.30 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 4 mph H 88%30.30 inHg

8:00 AM

Sunny

51° 💧 None 💨 6 mph H 81%30.36 inHg

11:00 AM

Sunny

64° 💧 None 💨 10 mph H 63%30.33 inHg

2:00 PM

Sunny

70° 💧 None 💨 11 mph H 54%30.30 inHg

5:00 PM

Sunny

71° 💧 None 💨 11 mph H 58%30.27 inHg

8:00 PM

Clear night

63° 💧 None 💨 9 mph H 76%30.27 inHg

11:00 PM

Mostly clear night

60° 💧 None 💨 10 mph H 84%30.30 inHg

Wednesday

2:00 AM

Clear night

59° 💧 None 💨 10 mph H 84%30.30 inHg

5:00 AM

Clear night

58° 💧 None 💨 9 mph H 86%30.30 inHg

8:00 AM

Sunny

59° 💧 None 💨 9 mph H 84%30.33 inHg

11:00 AM

Sunny

73° 💧 None 💨 8 mph H 67%30.30 inHg

2:00 PM

Sunny

80° 💧 None 💨 8 mph H 61%30.24 inHg

8:00 PM

Light rain

70° 💧 None 💨 6 mph H 93%30.27 inHg

Thursday

2:00 AM

Light rain

65° 💧 None 💨 7 mph H 94%30.30 inHg

8:00 AM

Overcast

62° 💧 None 💨 2 mph H 99%30.27 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 6 mph H 99%30.24 inHg

8:00 PM

Light thunderstorms

73° 💧 None 💨 8 mph H 95%30.15 inHg

Friday

2:00 AM

Mostly clear night

69° 💧 None 💨 10 mph H 98%30.09 inHg

8:00 AM

Light rain

68° 💧 None 💨 13 mph H 97%30.03 inHg

2:00 PM

Overcast

66° 💧 None 💨 7 mph H 98%30.06 inHg

8:00 PM

Mostly clear night

69° 💧 None 💨 11 mph H 60%30.09 inHg

Saturday

2:00 AM

Mostly clear night

59° 💧 None 💨 7 mph H 76%30.12 inHg

8:00 AM

Mostly sunny

50° 💧 None 💨 4 mph H 93%30.15 inHg

2:00 PM

Mostly cloudy

50° 💧 None 💨 3 mph H 92%30.15 inHg

8:00 PM

Overcast night

61° 💧 None 💨 2 mph H 64%30.03 inHg

Sunday

2:00 AM

Overcast night

56° 💧 None 💨 4 mph H 84%29.94 inHg

8:00 AM

Moderate rain

55° 💧 None 💨 6 mph H 96%29.80 inHg

2:00 PM

Overcast

54° 💧 None 💨 8 mph H 98%29.74 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 69%29.80 inHg

Monday

2:00 AM

Mostly cloudy night

55° 💧 None 💨 7 mph H 83%29.91 inHg

8:00 AM

Overcast

51° 💧 None 💨 9 mph H 95%30.00 inHg

2:00 PM

Mostly cloudy

49° 💧 None 💨 11 mph H 89%30.15 inHg

8:00 PM

Partly cloudy night

56° 💧 None 💨 13 mph H 59%30.21 inHg

Tuesday

2:00 AM

Partly cloudy night

50° 💧 None 💨 10 mph H 63%30.30 inHg

8:00 AM

Mostly sunny

44° 💧 None 💨 7 mph H 84%30.39 inHg

2:00 PM

Sunny

42° 💧 None 💨 10 mph H 77%30.47 inHg

8:00 PM

Mostly clear night

52° 💧 None 💨 12 mph H 57%30.50 inHg

Wednesday

2:00 AM

Partly cloudy night

44° 💧 None 💨 9 mph H 73%30.56 inHg

8:00 AM

Partly cloudy

39° 💧 None 💨 7 mph H 89%30.59 inHg

2:00 PM

Mostly cloudy

39° 💧 None 💨 7 mph H 84%30.65 inHg

8:00 PM

Overcast night

54° 💧 None 💨 7 mph H 51%30.62 inHg

Thursday

2:00 AM

Clear night

46° 💧 None 💨 6 mph H 80%30.59 inHg

8:00 AM

Mostly cloudy

41° 💧 None 💨 4 mph H 88%30.62 inHg

2:00 PM

Overcast

42° 💧 None 💨 6 mph H 85%30.68 inHg

8:00 PM

Overcast night

58° 💧 None 💨 9 mph H 52%30.56 inHg

Friday

2:00 AM

Overcast night

51° 💧 None 💨 7 mph H 74%30.50 inHg

8:00 AM

Overcast

45° 💧 None 💨 5 mph H 90%30.47 inHg

2:00 PM

Overcast

46° 💧 None 💨 8 mph H 75%30.42 inHg

In Knoxville and, more broadly, across the state of Pennsylvania: This evening will feature a mix of sun and clouds, with temperatures remaining mild to warm, ranging from 76 to 79 degrees Fahrenheit. Winds will be light, blowing from the west at around 3 mph, with gusts reaching up to 4 mph. No precipitation is expected during the upcoming hours, providing a calm and comfortable evening. Overall, it will be a pleasant night with relatively stable weather conditions.

15-Day Weather Outlook for Knoxville

TomorrowTomorrow

Mostly sunny 72°/53° 💧 None 💨 13 mph

Sunday, Sep 13Sun Sep 13

Light rain 76°/65° 💧 0.303 in 💨 11 mph

Monday, Sep 14Mon Sep 14

Light rain 67°/59° 💧 0.064 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 71°/48° 💧 None 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 80°/58° 💧 0.000 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Light rain 70°/62° 💧 0.484 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Light thunderstorms 73°/66° 💧 0.908 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 69°/50° 💧 0.006 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 61°/54° 💧 1.243 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Overcast 62°/49° 💧 0.009 in 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 56°/42° 💧 0.005 in 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 52°/39° 💧 None 💨 12 mph

Thursday, Sep 24Thu Sep 24

Overcast 54°/41° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Overcast 58°/45° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Knoxville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Knoxville

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 1:00 AM

PM2.5 Fine particles Good 4,8µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 44,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,9µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Knoxville

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,5High 😊Good

Tomorrow UV 2,7Low 🙂Fair

Sunday UV 6,4High 🙂Fair

Monday UV 6,2High 🙂Fair

Tuesday UV 6,0High —Unavailable

Wednesday UV 5,0Moderate —Unavailable

Thursday UV 4,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,2 10:00 AMUV 2,6 11:00 AMUV 4,4 12:00 PMUV 5,8 1:00 PMUV 6,5 2:00 PMUV 6,2 3:00 PMUV 5,0 4:00 PMUV 3,2 5:00 PMUV 1,6 6:00 PMUV 0,6

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Knoxville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KNOXVILLE, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:04 PM–5:10 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 88° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min80%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Knoxville were last refreshed today at 12:21 AM. The current forecast period extends through 12/09/2026 at 10:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.