Air quality index65Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI

72Now
65
59
561 AM
52
49
504 AM
50
51
527 AM
52
53
6510 AM
78
90
691 PM
48
28
464 PM
65
84
797 PM
74
69

Air quality outlook

Worst hour each day

Today94Moderate
Thu 890Moderate
Fri 9104Unhealthy for sensitive groups
Sat 1082Moderate
Sun 1145Good

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

Live radar

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About Knoxville weather

Knoxville is in Knox County, Tennessee, United States at 35.96°, -83.92°. Right now it’s 62° and clear; today’s high is 81° with a 0% chance of rain.

Tennessee has a humid subtropical climate with mild winters and hot, humid summers. The state stretches over 400 miles from the Appalachian Mountains in the east to the Mississippi River floodplain in the west, creating notable climate differences across its length. Nashville receives about 47 inches of rain annually, with spring being the wettest season and fall the driest.