Live
Washington barometric pressure today
Right now the highest pressure in Washington is Olympia, 30.15 inHg (1021 hPa) and the lowest is Spokane, 30.10 inHg (1019 hPa). Values are sea-level pressure from 8 airport weather stations.
| City | Station | inHg | 3 h |
|---|---|---|---|
| Seattle, WA | KSEA | 30.14 | ↗ +0.6 |
| Spokane, WA | KGEG | 30.10 | ↗ +0.7 |
| Tacoma, WA | KSEA | 30.14 | ↗ +0.6 |
| Yakima, WA | KYKM | 30.10 | → steady |
| Bellingham, WA | KBLI | 30.12 | ↗ +2.1 |
| Pasco, WA | KPSC | 30.13 | ↘ -0.7 |
| Olympia, WA | KOLM | 30.15 | ↗ +0.7 |
| Walla Walla, WA | KALW | 30.14 | ↘ -0.7 |
Elevation and pressure across Washington
The cities here run from about 69 ft in Bellingham to 1,873 ft in Spokane. On a standard day that means about 29.85 inHg of actual air pressure in Bellingham and 27.95 inHg in Spokane. The readings above are corrected to sea level, so any difference between stations comes from the weather, not the height.
Highest point in Washington · Sea-level vs station pressure · High vs low pressure
Frequently asked questions
What is the barometric pressure in Washington today?
The live map and station board on this page show sea-level pressure at 8 weather stations across Washington, including Seattle and Spokane. Each reading is the latest airport report, checked about every 10 minutes.
Why does a barometer in Spokane read lower than one in Bellingham?
Elevation. Spokane sits at about 1,873 ft and Bellingham at about 69 ft, a gap worth roughly 1.90 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 Washington?
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.