Weather24Barometric pressure in San Francisco today: right now
Right now in San Francisco the barometric pressure is 30.10 inHg (1019 hPa): normal, steady over the last 3 hours (+0.02 inHg). This time yesterday: 30.04 inHg; tomorrow the model expects 30.14 inHg.
normal · 1019 hPa, as in forecasts
1018 hPa · at about 50 ft, unadjusted
low: Sunday 11/1 at 2 AM · high: Monday 11/2 at 12 PM
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 San Francisco: 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
- 30.10 inHgnormal
- Tomorrow, same time
- 30.14 inHg+0.04 inHg from now
- Biggest 24-hour change this week
- +0.28 inHgto Monday 11/2 at 7 AM
San Francisco: Pacific highs and winter storms
From late spring to early fall the Pacific high keeps pressure in San Francisco steady and the fog comes and goes with the sea breeze. From November to March, Pacific storms and atmospheric rivers bring the city’s lowest readings, with rain and wind arriving as the barometer falls.
Sea level or barometer: 30.10 inHg and 30.05 inHg in San Francisco
The model point for San Francisco is at about 50 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 San Francisco 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 San Francisco 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 San Francisco: FAQ
What is the barometric pressure in San Francisco today?
What does a barometer read in San Francisco?
Is the air pressure in San Francisco high or low today?
What will the pressure be in San Francisco tomorrow?
Where does the data come from?
Pressure in other cities
See also: rain radar San Francisco · lightning map · UV index San Francisco