All of Australia

New South Wales barometric pressure forecast

Sydney area

Updated 12 Nov, 9:25 pm AEDT · four times a day

Hirotaka Maekawa, headache specialistReviewed byHirotaka Maekawa, MD (headache specialist in Japan)

See pressure changes for tomorrow and beyond in Zutsu Note

Free hourly pressure forecasts for where you are, up to a week ahead.

Zutsu Note is a free headache diary app from Japan ("zutsu" is Japanese for "headache").

Weather and pressure for the week

Today Thu 12/11 · Sydney

Watch for
Pressure rise

Sunny

22/18℃4°C swing

Pressure MildLow 1019 hPa

Weather, pressure, and temperature for Sydney on Thu 12/11Pressure (hPa)1000100410081012101610201024Mild caution 1007Caution 1003Low 1019Temp (°C)152025High 22℃Low 18℃12 AM6 AM12 PM6 PM11 PMNow

Drop

-2 hPa

Humidity

77%

Chance of rain

10%

Highest pressure

1023 hPa

Pressure will rise for part of the day (4 hPa over 6 hours). If you're prone to headaches, try to keep your sleep and meal times regular.

Details (what to watch, 3-hour table)
  • · Pressure expected to rise (4 hPa over 6 hours). Take care if you're sensitive to pressure changes.
TimeWeatherTempHumidityPressure
12 AMSunny19℃95%1019
3 AMSunny19℃80%1019
6 AMDrizzle19℃91%1020
9 AMSunny21℃72%1023
12 PMSunny22℃63%1023
3 PMSunny22℃65%1021
6 PMSunny20℃69%1021
9 PMSunny19℃81%1022

Sydney on Thu 12/11: Sunny. High 22℃, low 18℃. Avg. humidity 77%. Chance of rain up to 10%. Pressure 1019–1023 hPa (outlook: Mild).

Today across Australia

CautionMildStableColors show each state or territory's largest city.

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Hirotaka Maekawa, headache specialist

Reviewed byHirotaka Maekawa, MD

Neurologist and headache specialist in Japan

Trained in the Department of Neurology at The University of Tokyo before focusing fully on headache care. Visiting Lecturer at Showa Medical University. Developer of the headache diary app Zutsu Note.

Zutsu Note

Headache diary app from Japan. "Zutsu" is Japanese for "headache."

  • Pressure forecast for where you are
  • Log your headaches, too
  • Free to use

Frequently asked questions

What is the barometric pressure in Sydney today?

On Thursday 12 November, barometric pressure in Sydney, New South Wales is forecast to range from 1019 hPa to 1023 hPa. Zutsu Note rates today's pressure in New South Wales as Mild, based on the day's lowest pressure and the biggest change within 6 hours.

Will the barometric pressure change much in Sydney today?

Somewhat. Pressure in Sydney is forecast to rise by up to 4 hPa within 6 hours today. A change this size is rated Mild on this page. Over the whole day, pressure falls by up to 2 hPa and rises by up to 4 hPa.

Can a drop in barometric pressure cause a headache?

In some people, yes. In studies, about half of people with migraine say weather is one of their triggers. The exact mechanism isn't known. One leading idea is that the inner ear senses the change in pressure and the autonomic nervous system responds. Sensitivity varies a lot: the same weather change can bring on a headache in one person and not in another.

How can I tell if pressure changes trigger my headaches?

Keep a headache diary for 1 to 2 months and compare it with the pressure on each day. Zutsu Note, a free headache diary app built by a headache specialist, puts your logs and the pressure on the same chart automatically and shows the hourly pressure forecast for where you are, up to a week ahead. If your headaches keep coming back, get worse, or feel different from usual, talk to your doctor or GP.

The rating comes from the day's lowest pressure and the biggest change within 6 hours. It describes the weather, not your headache, and does not replace advice from your doctor. Forecast data: Open-Meteo.