The app this map came from
Weather Navigation carries the same radar and road-surface data on Apple CarPlay and Android Auto, with a weather-aware route planner, storm-cell tracking and radar that refreshes every two minutes over the US.
Scan to install Weather Navigation
Radar and live pavement conditions on I-40 and I-75 through Knoxville — plus closures nearby, the city's six-day forecast and how many days a year Knoxville crosses freezing.
Updated Sep 1, 2026 4:15 AM EDT · Mostly dry, wet in places
Lowest 71°F near Knoxville, Tennessee · Highest wind 2 mph near Knoxville, Tennessee
Use Weather Navigation for your next Road Trip
Two interstates pass within 25 miles of Knoxville, Tennessee: I-40 and I-75. This page covers the 102 miles of them closest to the city — I-40 near mile 391, I-75 near mile 102.
Weather data from Sep 1, 2026 4:15 AM EDT
Damp
Official Tennessee road conditions (smartway.tn.gov) ↗
No full closures are reported in Knoxville as of Sep 1, 2026 4:15 AM EDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
For Knoxville itself. Each day shows its warmest and coldest hour, and the worst driving conditions forecast anywhere in it — not the average, because the hour that ices a bridge is the one worth knowing about.
Rest of today Sep 1
95°F 73°F
Dry
Wind to 6 mph
Wed Sep 2
99°F 73°F
Dry
Wind to 6 mph
Thu Sep 3
100°F 75°F
Dry
Wind to 10 mph
0.05 in
precipitation
Fri Sep 4
97°F 73°F
Dry
Wind to 6 mph
Sat Sep 5
99°F 73°F
Dry
Wind to 8 mph
0.06 in
precipitation
Sun Sep 6
95°F 72°F
Moist
Wind to 6 mph
Forecast, not a measurement — from the same weather service that draws this page's radar and road colors, model run 8 hours ago. Days run on Eastern time, the clock the pass keeps — not the reader's.
These interstates run within 25 miles of Knoxville, nearest first. The mile is the milepost inside Tennessee, counted the way the state counts it, so it should match the exit numbers.
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Knoxville | 6.5" | 4.2 | 67 | 62.2 | Nov 2 | Apr 4 | 31.4 |
NOAA 1991–2020 Climate Normals, from a weather station in Tennessee. A dash is a figure that station does not report, not a zero.
Summaries fetched Aug 31, 2026 12:06 PM UTC
The same live radar and road-surface data as this map, on your phone and on Apple CarPlay or Android Auto.
Weather Navigation carries the same radar and road-surface data on Apple CarPlay and Android Auto, with a weather-aware route planner, storm-cell tracking and radar that refreshes every two minutes over the US.