Weather24Barometric pressure in Seattle today: right now
Right now in Seattle the barometric pressure is 30.08 inHg (1019 hPa): normal, steady over the last 3 hours (+0.02 inHg). This time yesterday: 30.09 inHg; tomorrow the model expects 30.17 inHg.
normal · 1019 hPa, as in forecasts
1010 hPa · at about 240 ft, unadjusted
low: Friday 10/30 at 7 AM · high: Monday 11/2 at 3 AM
Data for 12 AM local time. The first value is reduced to sea level; the barometer value is the pressure at the city’s height.
In the Weather24 app
How will the pressure affect you today?
Meteo-sensitivity from 0 to 10, hour by hour, and the “Rapid pressure drop” warning.
Pressure in Seattle: the past week and tomorrow
Hour by hour, at sea level, in inHg. Left of the amber line is the past 7 days, right of it the forecast.
- Sea-level pressure
- Standard, 29.92 inHg
- Now, 12 AM
- Forecast
- Biggest 24-hour change
- Now
- 30.08 inHgnormal
- Tomorrow, same time
- 30.17 inHg+0.09 inHg from now
- Biggest 24-hour change this week
- +0.24 inHgto Monday 11/2 at 3 AM
Seattle: the Pacific storm season
From October to March one Pacific low after another reaches Seattle, so the barometer moves up and down more in winter than in summer. The strongest fall storms bring pressure drops with high winds; in summer the Pacific high keeps things steady and mostly dry.
Sea level or barometer: 30.08 inHg and 29.82 inHg in Seattle
The model point for Seattle is at about 240 ft, so here the two numbers are close. Pressure drops by about 0.1 inHg every 90 feet of height.
In the Weather24 app you choose which one to see under “Pressure reference”: Local, the default, shows a value close to a barometer’s; Sea level shows the forecast value used on this page.
Pressure swings in Seattle and how you feel
Weather-sensitive people usually notice changes in pressure — especially a fast fall ahead of a front — more than the value itself. That is why it helps to watch the change over the last 3 hours and the last 24.
More in migraine and arthritis weather forecast.
This is weather information, not medical advice. If your symptoms are severe or new, talk to your doctor.
Barometric pressure in Seattle in the Weather24 app
The “Pressure” card with the reading and level where you are, the “Pressure over the day” chart with the standard-pressure line, the “Pressure” map layer with highs and lows, the “Rapid pressure drop” warning card and “Meteo-sensitivity”: a 0–10 score, hour by hour, with the reasons — pressure change, humidity, wind, temperature swings.
Barometric pressure in Seattle: FAQ
What is the barometric pressure in Seattle today?
What does a barometer read in Seattle?
Is the air pressure in Seattle high or low today?
What will the pressure be in Seattle tomorrow?
Where does the data come from?
Pressure in other cities
See also: rain radar Seattle · lightning map · UV index Seattle