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South Carolina barometric pressure today
Right now the highest pressure in South Carolina is Hilton Head Island, 30.06 inHg (1018 hPa) and the lowest is Columbia, 30.02 inHg (1017 hPa). Values are sea-level pressure from 6 airport weather stations.
| City | Station | inHg | 3 h |
|---|---|---|---|
| Columbia, SC | KCAE | 30.02 | ↘ -2.0 |
| Charleston, SC | KCHS | 30.03 | ↘ -1.4 |
| Greenville, SC | KGMU | 30.04 | ↘ -1.3 |
| Hilton Head Island, SC | KHXD | 30.06 | ↘ -1.0 |
| Spartanburg, SC | KSPA | 30.03 | ↘ -0.7 |
| Myrtle Beach, SC | KMYR | 30.04 | ↘ -1.6 |
Elevation and pressure across South Carolina
The cities here run from about 10 ft in Hilton Head Island to 1,007 ft in Greenville. On a standard day that means about 29.91 inHg of actual air pressure in Hilton Head Island and 28.85 inHg in Greenville. The readings above are corrected to sea level, so any difference between stations comes from the weather, not the height.
Highest point in South Carolina · Sea-level vs station pressure · High vs low pressure
Frequently asked questions
What is the barometric pressure in South Carolina today?
The live map and station board on this page show sea-level pressure at 6 weather stations across South Carolina, including Columbia and Charleston. Each reading is the latest airport report, checked about every 10 minutes.
Why does a barometer in Greenville read lower than one in Hilton Head Island?
Elevation. Greenville sits at about 1,007 ft and Hilton Head Island at about 10 ft, a gap worth roughly 1.06 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 South Carolina?
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.