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Knoxville, Tennessee weather · now

88°

Partly Cloudy

Feels
94°
High / Low
92° / 73°
Wind
37 mph SW
Humidity
59%
Dry now; thunderstorms expected around 5:00 PM.

Precipitation · next 12 hrs

Peak 44% · 11 PM

1 PM
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4 PM
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7 PM
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10 PM
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12 AM
ModerateAir quality PollenTreeNoneGrassModerateWeedModerate
Sun 6:51 AM 8:30 PM 13h 39m
Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Knoxville, Tennessee, sourced directly from the National Weather Service. Expect chance showers and thunderstorms today. Today's high is 92° with a low near 73°.

What to wear today

Loose, light, and water nearby

92°F — wear breathable fabrics and stay hydrated.

Next 24 hours

70° 85° 100° ↑ 92° ↓ 73° 1 PM 4 PM 7 PM 10 PM 1 AM 4 AM 7 AM 10 AM

  1. 1 PM

    89°

    4%

  2. 3 PM

    92°

    20%

  3. 5 PM

    90°

    31%

  4. 7 PM

    86°

    22%

  5. 9 PM

    80°

    18%

  6. 11 PM

    77°

    44%

  7. 1 AM

    75°

    21%

  8. 3 AM

    75°

    6%

  9. 5 AM

    74°

    7%

  10. 7 AM

    73°

    13%

  11. 9 AM

    75°

    18%

  12. 11 AM

    82°

    21%

Live radar

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7 days

  1. Today 8/11 Chance Showers And Thunderstorms 44% 92° · 73°
    1. 1 PM 89° Sunny 4%
    2. 2 PM 90° Slight Chance Showers And Thunderstorms 16%
    3. 3 PM 92° Slight Chance Showers And Thunderstorms 20%
    4. 4 PM 90° Slight Chance Showers And Thunderstorms 23%
    5. 5 PM 90° Chance Showers And Thunderstorms 31%
    6. 6 PM 89° Chance Showers And Thunderstorms 31%
    7. 7 PM 86° Slight Chance Showers And Thunderstorms 22%
    8. 8 PM 83° Slight Chance Showers And Thunderstorms 15%
    9. 9 PM 80° Slight Chance Showers And Thunderstorms 18%
    10. 10 PM 78° Slight Chance Showers And Thunderstorms 20%
    11. 11 PM 77° Chance Showers And Thunderstorms 44%
  2. Wed 8/12 Chance Showers And Thunderstorms 30% 91° · 73°
    1. 12 AM 76° Chance Showers And Thunderstorms 39%
    2. 1 AM 75° Slight Chance Showers And Thunderstorms 21%
    3. 2 AM 75° Mostly Cloudy 10%
    4. 3 AM 75° Mostly Cloudy 6%
    5. 4 AM 74° Mostly Cloudy 4%
    6. 5 AM 74° Mostly Cloudy 7%
    7. 6 AM 73° Mostly Sunny 11%
    8. 7 AM 73° Mostly Sunny 13%
    9. 8 AM 74° Slight Chance Rain Showers 15%
    10. 9 AM 75° Slight Chance Rain Showers 18%
    11. 10 AM 79° Slight Chance Rain Showers 24%
    12. 11 AM 82° Slight Chance Showers And Thunderstorms 21%
    13. 12 PM 84° Slight Chance Showers And Thunderstorms 23%
    14. 1 PM 87° Slight Chance Showers And Thunderstorms 17%
    15. 2 PM 89° Chance Showers And Thunderstorms 29%
    16. 3 PM 89° Chance Showers And Thunderstorms 26%
    17. 4 PM 90° Chance Showers And Thunderstorms 30%
    18. 5 PM 89° Slight Chance Showers And Thunderstorms 22%
    19. 6 PM 88° Slight Chance Showers And Thunderstorms 18%
    20. 7 PM 86° Slight Chance Showers And Thunderstorms 18%
    21. 8 PM 83° Partly Cloudy 12%
    22. 9 PM 81° Mostly Cloudy 14%
    23. 10 PM 79° Chance Showers And Thunderstorms 27%
    24. 11 PM 78° Partly Cloudy 13%
  3. Thu 8/13 Slight Chance Rain Showers then Chance Showers And Thunderstorms 36% 91° · 75°
    1. 12 AM 77° Chance Rain Showers 30%
    2. 1 AM 76° Chance Rain Showers 25%
    3. 2 AM 76° Slight Chance Rain Showers 22%
    4. 3 AM 75° Slight Chance Rain Showers 16%
    5. 4 AM 75° Partly Cloudy 2%
    6. 5 AM 74° Partly Cloudy 2%
    7. 6 AM 74° Slight Chance Rain Showers 18%
    8. 7 AM 73° Mostly Sunny 14%
    9. 8 AM 74° Partly Sunny 10%
    10. 9 AM 76° Mostly Sunny 10%
    11. 10 AM 80° Mostly Sunny 10%
    12. 11 AM 83° Partly Sunny 10%
    13. 12 PM 86° Partly Sunny 10%
    14. 1 PM 88° Partly Sunny 10%
    15. 2 PM 89° Chance Showers And Thunderstorms 36%
    16. 3 PM 90° Chance Showers And Thunderstorms 36%
    17. 4 PM 91° Chance Showers And Thunderstorms 36%
    18. 5 PM 91° Chance Showers And Thunderstorms 36%
    19. 6 PM 90° Chance Showers And Thunderstorms 36%
    20. 7 PM 88° Chance Showers And Thunderstorms 36%
    21. 8 PM 86° Mostly Cloudy 13%
    22. 9 PM 84° Partly Cloudy 13%
    23. 10 PM 82° Partly Cloudy 13%
    24. 11 PM 80° Partly Cloudy 13%
  4. Fri 8/14 Chance Showers And Thunderstorms 35% 93° · 75°
    1. 12 AM 79° Partly Cloudy 13%
    2. 1 AM 78° Partly Cloudy 13%
    3. 2 AM 78° Mostly Cloudy 6%
    4. 3 AM 77° Partly Cloudy 6%
    5. 4 AM 76° Partly Cloudy 6%
    6. 5 AM 76° Partly Cloudy 6%
    7. 6 AM 75° Mostly Sunny 6%
    8. 7 AM 75° Mostly Sunny 6%
    9. 8 AM 75° Slight Chance Rain Showers 21%
    10. 9 AM 78° Slight Chance Rain Showers 21%
    11. 10 AM 81° Slight Chance Rain Showers 21%
    12. 11 AM 84° Slight Chance Showers And Thunderstorms 21%
    13. 12 PM 87° Slight Chance Showers And Thunderstorms 21%
    14. 1 PM 89° Slight Chance Showers And Thunderstorms 21%
    15. 2 PM 91° Chance Showers And Thunderstorms 35%
    16. 3 PM 93° Chance Showers And Thunderstorms 35%
    17. 4 PM 93° Chance Showers And Thunderstorms 35%
    18. 5 PM 92° Chance Showers And Thunderstorms 35%
    19. 6 PM 91° Chance Showers And Thunderstorms 35%
    20. 7 PM 89° Chance Showers And Thunderstorms 35%
    21. 8 PM 87° Slight Chance Showers And Thunderstorms 19%
    22. 9 PM 84° Slight Chance Showers And Thunderstorms 19%
    23. 10 PM 82° Slight Chance Showers And Thunderstorms 19%
    24. 11 PM 80° Slight Chance Showers And Thunderstorms 19%
  5. Sat 8/15 Mostly Sunny then Slight Chance Showers And Thunderstorms 20% 93° · 74°
    1. 12 AM 79° Slight Chance Showers And Thunderstorms 19%
    2. 1 AM 78° Slight Chance Showers And Thunderstorms 19%
    3. 2 AM 78° Partly Cloudy 10%
    4. 3 AM 77° Partly Cloudy 10%
    5. 4 AM 76° Partly Cloudy 10%
    6. 5 AM 76° Partly Cloudy 10%
    7. 6 AM 75° Mostly Sunny 10%
    8. 7 AM 75° Mostly Sunny 10%
    9. 8 AM 75° Mostly Sunny 4%
    10. 9 AM 78° Mostly Sunny 4%
    11. 10 AM 82° Mostly Sunny 4%
    12. 11 AM 86° Sunny 4%
    13. 12 PM 89° Mostly Sunny 4%
    14. 1 PM 91° Mostly Sunny 4%
    15. 2 PM 92° Slight Chance Showers And Thunderstorms 20%
    16. 3 PM 93° Slight Chance Showers And Thunderstorms 20%
    17. 4 PM 92° Slight Chance Showers And Thunderstorms 20%
    18. 5 PM 91° Slight Chance Showers And Thunderstorms 20%
    19. 6 PM 89° Slight Chance Showers And Thunderstorms 20%
    20. 7 PM 87° Slight Chance Showers And Thunderstorms 20%
    21. 8 PM 85° Partly Cloudy 7%
    22. 9 PM 83° Partly Cloudy 7%
    23. 10 PM 82° Partly Cloudy 7%
    24. 11 PM 80° Partly Cloudy 7%
  6. Sun 8/16 Mostly Sunny 8% 94° · 75°
    1. 12 AM 79° Partly Cloudy 7%
    2. 1 AM 77° Partly Cloudy 7%
    3. 2 AM 76° Partly Cloudy 1%
    4. 3 AM 75° Partly Cloudy 1%
    5. 4 AM 75° Partly Cloudy 1%
    6. 5 AM 74° Partly Cloudy 1%
    7. 6 AM 74° Mostly Sunny 1%
    8. 7 AM 74° Mostly Sunny 1%
    9. 8 AM 76° Mostly Sunny 2%
    10. 9 AM 78° Mostly Sunny 2%
    11. 10 AM 82° Sunny 2%
    12. 11 AM 85° Sunny 2%
    13. 12 PM 88° Sunny 2%
    14. 1 PM 91° Sunny 2%
    15. 2 PM 92° Sunny 8%
    16. 3 PM 94° Sunny 8%
    17. 4 PM 94° Sunny 8%
    18. 5 PM 94° Sunny 8%
    19. 6 PM 93° Mostly Clear 8%
    20. 7 PM 91° Mostly Clear 8%
    21. 8 PM 88° Mostly Clear 8%
    22. 9 PM 86° Partly Cloudy 8%
    23. 10 PM 83° Partly Cloudy 8%
    24. 11 PM 81° Partly Cloudy 8%
  7. Mon 8/17 Sunny then Slight Chance Showers And Thunderstorms 20% 95° · 73°
    1. 12 AM 80° Partly Cloudy 8%
    2. 1 AM 79° Mostly Clear 8%
    3. 2 AM 78° Mostly Clear 5%
    4. 3 AM 77° Mostly Clear 5%
    5. 4 AM 77° Mostly Clear 5%
    6. 5 AM 76° Mostly Clear 5%
    7. 6 AM 76° Sunny 5%
    8. 7 AM 75° Sunny 5%
    9. 8 AM 76° Sunny 4%
    10. 9 AM 79° Sunny 4%
    11. 10 AM 83° Sunny 4%
    12. 11 AM 87° Sunny 4%
    13. 12 PM 90° Sunny 4%
    14. 1 PM 93° Sunny 4%
    15. 2 PM 94° Slight Chance Showers And Thunderstorms 20%
    16. 3 PM 95° Slight Chance Showers And Thunderstorms 20%
    17. 4 PM 94° Slight Chance Showers And Thunderstorms 20%
    18. 5 PM 93° Slight Chance Showers And Thunderstorms 20%
    19. 6 PM 90° Slight Chance Showers And Thunderstorms 20%
    20. 7 PM 88° Slight Chance Showers And Thunderstorms 20%
    21. 8 PM 85° Slight Chance Showers And Thunderstorms 18%
    22. 9 PM 83° Slight Chance Showers And Thunderstorms 18%
    23. 10 PM 81° Slight Chance Showers And Thunderstorms 18%
    24. 11 PM 79° Slight Chance Showers And Thunderstorms 18%
Extended outlook days 8–16
  1. Tue 8/18 Partly Cloudy 15% 94° · 70°
  2. Wed 8/19 Drizzle 9% 90° · 70°
  3. Thu 8/20 Partly Cloudy 15% 90° · 66°
  4. Fri 8/21 Mostly Sunny 9% 98° · 66°
  5. Sat 8/22 Cloudy 19% 96° · 72°
  6. Sun 8/23 Severe Thunderstorms 23% 85° · 65°
  7. Mon 8/24 Partly Cloudy 33% 79° · 58°
  8. Tue 8/25 Sunny 31% 81° · 52°
  9. Wed 8/26 Mostly Sunny 30% 84° · 56°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Sunday, 8/16

Mostly Sunny, 94° / 75°

  1. Tomorrow91°73°
  2. Thu91°75°
  3. Fri93°75°
  4. Sat93°74°
  5. Sun94°75°
  6. Mon95°73°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • RunTomorrow 6 AM

    warm at 73°F · calm wind · slight chance of rain (11%) · rain should clear by 6 AM · pollen moderate today

    Good84 / 100
  • BikeTomorrow 6 AM

    comfortable at 73°F · calm wind · slight chance of rain (11%) · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • GolfTomorrow 6 AM

    comfortable at 73°F · calm wind · slight chance of rain (11%) · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • PicnicTomorrow 6 AM

    comfortable at 73°F · calm wind · slight chance of rain (11%) · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

Climate normals

What weather to expect in Knoxville

Knoxville in August typically averages 86° highs and 67° lows, with about 17 days of rain. The hottest stretch is July (average high 89°); the coldest is January (average low 29°). July is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan44°29°12
Feb53°34°14
Mar66°45°10
Apr74°54°11
May76°59°22
Jun85°68°17
Jul89°73°26
Aug86°67°17
Sep81°63°15
Oct72°52°7
Nov62°45°12
Dec51°35°14

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Knoxville

Other cities in Tennessee

Detailed forecast (NWS)

This Afternoon
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday
A slight chance of rain showers between 8am and 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 101. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Thursday
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 40%.
Friday
A slight chance of rain showers between 8am and 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind around 5 mph. Chance of precipitation is 40%.

Forecast details

NWS gridpoint
MRX 71,51
Radar station
KMRX
Time zone
America/New_York
Coordinates
35.961, -83.921