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Knoxville, Tennessee · now

61°

Clear

High / Low
78° / 50°
Wind
0 mph N
Humidity
82%

Tomorrow· Thursday72°/45°· Sunny

warmer than yesterday at this time

No precipitation expected in the next 1.6 hours.

Current weather and 7-day forecast for Knoxville, Tennessee, sourced directly from the National Weather Service. Expect mostly sunny then chance showers and thunderstorms today. Today's high is 78° with a low near 50°.

What to wear today

T-shirt and shorts, grab the umbrella

Warm 78°F with passing rain.

Temperature · next 24 hours

45° 65° 85° 77° 50° 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM

Next 24 hours

  1. 8 AM

    56°

    0%

  2. 10 AM

    64°

    0%

  3. 12 PM

    71°

    1%

  4. 2 PM

    76°

    12%

  5. 4 PM

    76°

    32%

  6. 6 PM

    76°

    37%

  7. 8 PM

    73°

    12%

  8. 10 PM

    65°

    0%

  9. 12 AM

    60°

    0%

  10. 2 AM

    56°

    0%

  11. 4 AM

    52°

    0%

  12. 6 AM

    50°

    0%

Live radar

View full radar →

7 days

  1. Today 5/13 Mostly Sunny then Chance Showers And Thunderstorms 38% 78° · 50°
  2. Thu 5/14 Sunny 0% 72° · 45°
  3. Fri 5/15 Sunny 7% 78° · 57°
  4. Sat 5/16 Mostly Sunny then Slight Chance Showers And Thunderstorms 22% 86° · 62°
  5. Sun 5/17 Mostly Sunny 11% 90° · 63°
  6. Mon 5/18 Sunny 11% 91° · 65°
  7. Tue 5/19 Mostly Sunny 22% 90° · 66°
Extended outlook days 8–16
  1. Wed 5/20 Drizzle 49% 71° · 65°
  2. Thu 5/21 Drizzle 41% 77° · 63°
  3. Fri 5/22 Cloudy 42% 82° · 61°
  4. Sat 5/23 Drizzle 35% 81° · 63°
  5. Sun 5/24 Drizzle 29% 84° · 64°
  6. Mon 5/25 Drizzle 43% 86° · 65°
  7. Tue 5/26 Cloudy 31% 89° · 63°
  8. Wed 5/27 Drizzle 27% 88° · 64°
  9. Thu 5/28 Drizzle 42% 68° · 62°

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

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.

  • Run9 AM

    comfortable at 59°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Bike10 AM

    comfortable at 64°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf10 AM

    comfortable at 64°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic11 AM

    comfortable at 68°F · light wind (10 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100

Climate normals

What weather to expect in Knoxville

Knoxville in May typically averages 75° highs and 59° 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
May75°59°21
Jun87°67°17
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.

Forecast details

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