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Wisconsin barometric pressure today
Right now the highest pressure in Wisconsin is Madison, 29.93 inHg (1014 hPa) and the lowest is Green Bay, 29.85 inHg (1011 hPa). Values are sea-level pressure from 3 airport weather stations.
| City | Station | inHg | 3 h |
|---|---|---|---|
| Milwaukee, WI | KMKE | 29.88 | ↘ -0.4 |
| Madison, WI | KMSN | 29.93 | ↘ -0.4 |
| Green Bay, WI | KGRB | 29.85 | ↗ +0.7 |
Elevation and pressure across Wisconsin
The cities here run from about 591 ft in Green Bay to 876 ft in Madison. On a standard day that means about 29.29 inHg of actual air pressure in Green Bay and 28.99 inHg in Madison. The readings above are corrected to sea level, so any difference between stations comes from the weather, not the height.
Highest point in Wisconsin · Sea-level vs station pressure · High vs low pressure
Frequently asked questions
What is the barometric pressure in Wisconsin today?
The live map and station board on this page show sea-level pressure at 3 weather stations across Wisconsin, including Milwaukee and Madison. Each reading is the latest airport report, checked about every 10 minutes.
Why does a barometer in Madison read lower than one in Green Bay?
Elevation. Madison sits at about 876 ft and Green Bay at about 591 ft, a gap worth roughly 0.30 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 Wisconsin?
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.