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Knoxville, Tennessee weather · now

79°

Cloudy

Feels
80°
High / Low
85° / 70°
Wind
41 mph SW
Humidity
74%
Dry now; thunderstorms expected around 11:00 AM.

Precipitation · next 12 hrs

Peak 89% · 3 PM

10 AM
·
·
1 PM
·
·
4 PM
·
·
7 PM
·
9 PM
GoodAir quality PollenTreeNoneGrassHighWeedLow
Sun 6:27 AM 8:54 PM 14h 27m
Moon Waning Crescent 19% lit

Current weather and 7-day forecast for Knoxville, Tennessee, sourced directly from the National Weather Service. Expect showers and thunderstorms today. Today's high is 85° with a low near 70°. 1 active weather alert in effect.

What to wear today

Rain jacket and umbrella

Plan for showers (89%). Skip cotton or anything that dries slow.

Next 24 hours

65° 80° 90° ↑ 84° ↓ 70° 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM 3 AM 6 AM

  1. 9 AM

    74°

    31%

  2. 11 AM

    78°

    67%

  3. 1 PM

    81°

    72%

  4. 3 PM

    82°

    89%

  5. 5 PM

    83°

    56%

  6. 7 PM

    82°

    38%

  7. 9 PM

    78°

    78%

  8. 11 PM

    75°

    90%

  9. 1 AM

    73°

    74%

  10. 3 AM

    73°

    76%

  11. 5 AM

    72°

    70%

  12. 7 AM

    70°

    47%

Live radar

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7 days

  1. Today 7/10 Showers And Thunderstorms 90% 85° · 70°
    1. 10 AM 77° Chance Showers And Thunderstorms 37%
    2. 11 AM 78° Showers And Thunderstorms Likely 67%
    3. 12 PM 79° Showers And Thunderstorms 83%
    4. 1 PM 81° Showers And Thunderstorms Likely 72%
    5. 2 PM 81° Showers And Thunderstorms 86%
    6. 3 PM 82° Showers And Thunderstorms 89%
    7. 4 PM 84° Showers And Thunderstorms Likely 65%
    8. 5 PM 83° Showers And Thunderstorms Likely 56%
    9. 6 PM 83° Showers And Thunderstorms Likely 56%
    10. 7 PM 82° Chance Showers And Thunderstorms 38%
    11. 8 PM 80° Showers And Thunderstorms Likely 60%
    12. 9 PM 78° Showers And Thunderstorms 78%
    13. 10 PM 76° Showers And Thunderstorms 85%
    14. 11 PM 75° Showers And Thunderstorms 90%
  2. Sat 7/11 Chance Showers And Thunderstorms 81% 84° · 70°
    1. 12 AM 74° Showers And Thunderstorms 89%
    2. 1 AM 73° Showers And Thunderstorms Likely 74%
    3. 2 AM 73° Showers And Thunderstorms 90%
    4. 3 AM 73° Showers And Thunderstorms 76%
    5. 4 AM 72° Showers And Thunderstorms Likely 73%
    6. 5 AM 72° Showers And Thunderstorms Likely 70%
    7. 6 AM 72° Chance Showers And Thunderstorms 54%
    8. 7 AM 70° Chance Showers And Thunderstorms 47%
    9. 8 AM 72° Slight Chance Rain Showers 17%
    10. 9 AM 72° Slight Chance Rain Showers 16%
    11. 10 AM 75° Chance Rain Showers 25%
    12. 11 AM 76° Chance Showers And Thunderstorms 28%
    13. 12 PM 78° Chance Showers And Thunderstorms 30%
    14. 1 PM 79° Chance Showers And Thunderstorms 47%
    15. 2 PM 81° Showers And Thunderstorms 81%
    16. 3 PM 82° Showers And Thunderstorms Likely 65%
    17. 4 PM 82° Chance Showers And Thunderstorms 48%
    18. 5 PM 82° Showers And Thunderstorms Likely 55%
    19. 6 PM 83° Chance Showers And Thunderstorms 43%
    20. 7 PM 81° Chance Showers And Thunderstorms 42%
    21. 8 PM 80° Showers And Thunderstorms Likely 58%
    22. 9 PM 77° Showers And Thunderstorms Likely 58%
    23. 10 PM 75° Showers And Thunderstorms Likely 58%
    24. 11 PM 74° Showers And Thunderstorms Likely 58%
  3. Sun 7/12 Chance Showers And Thunderstorms 63% 86° · 70°
    1. 12 AM 73° Showers And Thunderstorms Likely 58%
    2. 1 AM 72° Showers And Thunderstorms Likely 58%
    3. 2 AM 72° Chance Rain Showers 41%
    4. 3 AM 71° Chance Rain Showers 41%
    5. 4 AM 71° Chance Rain Showers 41%
    6. 5 AM 70° Chance Rain Showers 41%
    7. 6 AM 70° Chance Rain Showers 41%
    8. 7 AM 71° Chance Rain Showers 41%
    9. 8 AM 72° Chance Rain Showers 39%
    10. 9 AM 73° Chance Rain Showers 39%
    11. 10 AM 75° Chance Rain Showers 39%
    12. 11 AM 77° Chance Showers And Thunderstorms 39%
    13. 12 PM 79° Chance Showers And Thunderstorms 39%
    14. 1 PM 81° Chance Showers And Thunderstorms 39%
    15. 2 PM 83° Showers And Thunderstorms Likely 63%
    16. 3 PM 84° Showers And Thunderstorms Likely 63%
    17. 4 PM 85° Showers And Thunderstorms Likely 63%
    18. 5 PM 85° Showers And Thunderstorms Likely 63%
    19. 6 PM 85° Showers And Thunderstorms Likely 63%
    20. 7 PM 83° Showers And Thunderstorms Likely 63%
    21. 8 PM 81° Chance Showers And Thunderstorms 35%
    22. 9 PM 79° Chance Showers And Thunderstorms 35%
    23. 10 PM 77° Chance Showers And Thunderstorms 35%
    24. 11 PM 75° Chance Showers And Thunderstorms 35%
  4. Mon 7/13 Showers And Thunderstorms Likely 63% 84° · 68°
    1. 12 AM 74° Chance Showers And Thunderstorms 35%
    2. 1 AM 73° Chance Showers And Thunderstorms 35%
    3. 2 AM 72° Chance Rain Showers 44%
    4. 3 AM 71° Chance Rain Showers 44%
    5. 4 AM 71° Chance Rain Showers 44%
    6. 5 AM 71° Chance Rain Showers 44%
    7. 6 AM 70° Chance Rain Showers 44%
    8. 7 AM 70° Chance Rain Showers 44%
    9. 8 AM 71° Showers And Thunderstorms Likely 57%
    10. 9 AM 72° Showers And Thunderstorms Likely 57%
    11. 10 AM 75° Showers And Thunderstorms Likely 57%
    12. 11 AM 77° Showers And Thunderstorms Likely 57%
    13. 12 PM 79° Showers And Thunderstorms Likely 57%
    14. 1 PM 80° Showers And Thunderstorms Likely 57%
    15. 2 PM 82° Showers And Thunderstorms Likely 63%
    16. 3 PM 83° Showers And Thunderstorms Likely 63%
    17. 4 PM 83° Showers And Thunderstorms Likely 63%
    18. 5 PM 83° Showers And Thunderstorms Likely 63%
    19. 6 PM 83° Showers And Thunderstorms Likely 63%
    20. 7 PM 82° Showers And Thunderstorms Likely 63%
    21. 8 PM 78° Slight Chance Showers And Thunderstorms 15%
    22. 9 PM 76° Slight Chance Showers And Thunderstorms 15%
    23. 10 PM 74° Slight Chance Showers And Thunderstorms 15%
    24. 11 PM 72° Slight Chance Showers And Thunderstorms 15%
  5. Tue 7/14 Partly Sunny then Slight Chance Showers And Thunderstorms 18% 87° · 69°
    1. 12 AM 71° Slight Chance Showers And Thunderstorms 15%
    2. 1 AM 70° Slight Chance Showers And Thunderstorms 15%
    3. 2 AM 70° Mostly Cloudy 11%
    4. 3 AM 69° Mostly Cloudy 11%
    5. 4 AM 68° Mostly Cloudy 11%
    6. 5 AM 68° Mostly Cloudy 11%
    7. 6 AM 68° Partly Sunny 11%
    8. 7 AM 68° Partly Sunny 11%
    9. 8 AM 69° Partly Sunny 9%
    10. 9 AM 71° Partly Sunny 9%
    11. 10 AM 75° Partly Sunny 9%
    12. 11 AM 78° Partly Sunny 9%
    13. 12 PM 81° Partly Sunny 9%
    14. 1 PM 83° Partly Sunny 9%
    15. 2 PM 85° Slight Chance Showers And Thunderstorms 18%
    16. 3 PM 86° Slight Chance Showers And Thunderstorms 18%
    17. 4 PM 87° Slight Chance Showers And Thunderstorms 18%
    18. 5 PM 87° Slight Chance Showers And Thunderstorms 18%
    19. 6 PM 86° Slight Chance Showers And Thunderstorms 18%
    20. 7 PM 84° Slight Chance Showers And Thunderstorms 18%
    21. 8 PM 82° Partly Cloudy 6%
    22. 9 PM 80° Partly Cloudy 6%
    23. 10 PM 77° Partly Cloudy 6%
    24. 11 PM 75° Partly Cloudy 6%
  6. Wed 7/15 Mostly Sunny then Slight Chance Showers And Thunderstorms 15% 89° · 72°
    1. 12 AM 74° Partly Cloudy 6%
    2. 1 AM 73° Partly Cloudy 6%
    3. 2 AM 72° Partly Cloudy 1%
    4. 3 AM 71° Partly Cloudy 1%
    5. 4 AM 70° Partly Cloudy 1%
    6. 5 AM 70° Partly Cloudy 1%
    7. 6 AM 70° Mostly Sunny 1%
    8. 7 AM 70° Mostly Sunny 1%
    9. 8 AM 71° Mostly Sunny 7%
    10. 9 AM 73° Mostly Sunny 7%
    11. 10 AM 77° Mostly Sunny 7%
    12. 11 AM 80° Mostly Sunny 7%
    13. 12 PM 83° Mostly Sunny 7%
    14. 1 PM 85° Mostly Sunny 7%
    15. 2 PM 87° Slight Chance Showers And Thunderstorms 15%
    16. 3 PM 88° Slight Chance Showers And Thunderstorms 15%
    17. 4 PM 89° Slight Chance Showers And Thunderstorms 15%
    18. 5 PM 89° Slight Chance Showers And Thunderstorms 15%
    19. 6 PM 88° Slight Chance Showers And Thunderstorms 15%
    20. 7 PM 87° Slight Chance Showers And Thunderstorms 15%
    21. 8 PM 85° Mostly Clear 6%
    22. 9 PM 82° Mostly Clear 6%
    23. 10 PM 79° Mostly Clear 6%
    24. 11 PM 77° Mostly Clear 6%
  7. Thu 7/16 Mostly Sunny then Slight Chance Showers And Thunderstorms 19% 91° · 73°
    1. 12 AM 76° Mostly Clear 6%
    2. 1 AM 75° Mostly Clear 6%
    3. 2 AM 74° Mostly Clear 1%
    4. 3 AM 73° Mostly Clear 1%
    5. 4 AM 72° Mostly Clear 1%
    6. 5 AM 72° Mostly Clear 1%
    7. 6 AM 72° Sunny 1%
    8. 7 AM 72° Sunny 1%
    9. 8 AM 73° Mostly Sunny 9%
    10. 9 AM 76° Mostly Sunny 9%
    11. 10 AM 80° Mostly Sunny 9%
    12. 11 AM 83° Mostly Sunny 9%
    13. 12 PM 85° Mostly Sunny 9%
    14. 1 PM 87° Mostly Sunny 9%
    15. 2 PM 88° Slight Chance Showers And Thunderstorms 19%
    16. 3 PM 89° Slight Chance Showers And Thunderstorms 19%
    17. 4 PM 90° Slight Chance Showers And Thunderstorms 19%
    18. 5 PM 90° Slight Chance Showers And Thunderstorms 19%
    19. 6 PM 89° Slight Chance Showers And Thunderstorms 19%
    20. 7 PM 87° Slight Chance Showers And Thunderstorms 19%
    21. 8 PM 85° Mostly Clear 7%
Extended outlook days 8–16
  1. Fri 7/17 Thunderstorms 23% 90° · 71°
  2. Sat 7/18 Thunderstorms 33% 83° · 72°
  3. Sun 7/19 Thunderstorms 29% 92° · 71°
  4. Mon 7/20 Drizzle 24% 90° · 70°
  5. Tue 7/21 Drizzle 45% 92° · 69°
  6. Wed 7/22 Cloudy 49% 93° · 69°
  7. Thu 7/23 Drizzle 55% 91° · 72°
  8. Fri 7/24 Drizzle 56% 92° · 70°
  9. Sat 7/25 Drizzle 58% 93° · 73°

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

Best day this week

No standout day in the next week — every day has trade-offs.

Wednesday, 7/15

Mostly Sunny then Slight Chance Showers And Thunderstorms, 89° / 72°

  1. Tomorrow84°70°
  2. Sun86°70°
  3. Mon84°68°
  4. Tue87°69°
  5. Wed89°72°
  6. Thu91°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 68°F · calm wind · slight chance of rain (11%) · rain should clear by 6 AM · pollen high today — allergy sufferers, take note

    Excellent94 / 100
  • BikeTomorrow 8 AM

    comfortable at 72°F · calm wind · slight chance of rain (17%) · rain should clear by 8 AM · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • GolfTomorrow 8 AM

    comfortable at 72°F · calm wind · slight chance of rain (17%) · rain should clear by 8 AM · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • PicnicTomorrow 8 AM

    comfortable at 72°F · calm wind · slight chance of rain (17%) · rain should clear by 8 AM · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Magic ShowAnytime

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

    Corporate Magician Scott Henderson

How well did we do?

Average miss by lead time.

Each morning we save the day's predicted high/low. As later days arrive, we grade what we said against what the station actually recorded.

Same day
±2°
2 days graded
1 day out
±2°
2 days graded
3 days out
±1°
2 days graded
7 days out
±7°
2 days graded
Day-by-day, 1 day out7 days
  1. Yesterday±2°
    High88°90°-2°
    Low72°73°-1°
  2. Wed, Jul 8±1°
    High89°90°-1°
    Low71°72°-1°
  3. Tue, Jul 7pending
    High87°——
    Low71°——
  4. Mon, Jul 6pending
    High90°——
    Low72°——
  5. Sun, Jul 5pending
    High93°——
    Low73°——
  6. Sat, Jul 4pending
    High96°——
    Low74°——
  7. Fri, Jul 3pending
    High97°——
    Low73°——

Climate normals

What weather to expect in Knoxville

Knoxville in July typically averages 90° highs and 72° lows, with about 21 days of rain. The hottest stretch is July (average high 90°); the coldest is January (average low 29°).

MonthAvg highAvg lowRainy days
Jan44°29°12
Feb53°34°14
Mar66°45°10
Apr74°54°11
May76°59°22
Jun87°67°15
Jul90°72°21
Aug86°67°16
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)

Today
Showers and thunderstorms before 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 2pm, then showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Southwest wind 0 to 5 mph. Chance of precipitation is 60%.
Monday
A chance of rain showers before 8am, then showers and thunderstorms likely between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Northeast wind 0 to 5 mph. Chance of precipitation is 60%.

Forecast details

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