Live
Tennessee barometric pressure today
Right now the highest pressure in Tennessee is Memphis, 30.16 inHg (1021 hPa) and the lowest is Knoxville, 30.09 inHg (1019 hPa). Values are sea-level pressure from 5 airport weather stations.
| City | Station | inHg | 3 h |
|---|---|---|---|
| Nashville, TN | KBNA | 30.14 | ↘ -1.1 |
| Memphis, TN | KMEM | 30.16 | ↘ -1.0 |
| Knoxville, TN | KTYS | 30.09 | ↘ -0.4 |
| Chattanooga, TN | KCHA | 30.09 | ↘ -0.7 |
| Jackson, TN | KMKL | 30.15 | ↘ -1.7 |
Elevation and pressure across Tennessee
The cities here run from about 256 ft in Memphis to 906 ft in Knoxville. On a standard day that means about 29.65 inHg of actual air pressure in Memphis and 28.96 inHg in Knoxville. The readings above are corrected to sea level, so any difference between stations comes from the weather, not the height.
Highest point in Tennessee · Sea-level vs station pressure · High vs low pressure
Frequently asked questions
What is the barometric pressure in Tennessee today?
The live map and station board on this page show sea-level pressure at 5 weather stations across Tennessee, including Nashville and Memphis. Each reading is the latest airport report, checked about every 10 minutes.
Why does a barometer in Knoxville read lower than one in Memphis?
Elevation. Knoxville sits at about 906 ft and Memphis at about 256 ft, a gap worth roughly 0.69 inHg of actual air pressure on a standard day. Forecasts correct for that, so the sea-level values here can be compared directly.
Is the pressure rising or falling in Tennessee?
The last column of the station board shows the change over the last three hours, in hPa, for each station. Falling numbers usually mean clouds and rain are on the way; rising numbers mean clearing.