barometer.today

Barometric pressure in Timon

1010hPa
Falling

Day to day, pressure has fallen slowly. It is 2 hPa lower than this time yesterday. It has flattened out, and the week ahead keeps it near this level.

Sea level reading, as of 14:00 local time.

The past week and the days ahead

The shaded part shows the days already gone. The thicker line is the forecast. The thin grey line is the average over a whole day, so you can see where pressure is heading under the daily up and down.

now35° / 22°36° / 22°35° / 24°36° / 22°36° / 22°36° / 21°37° / 21°37° / 23°36° / 22°36° / 21°37° / 23°37° / 24°37° / 25°16Mon 17Tue 18Wed 19Thu 20Fri 21Sat 22Sun 23Mon 24Tue 25Wed 26Thu 27Fri 28Sat 29100510101015
The forecast runs 7 days ahead.

The week ahead

Each day at a glance: how far pressure moves, and the low and high it reaches.

TodayAug 23 −1 hPa

Dips in the afternoon, and comes back by the end of the day.

Overcast37° / 21°

low 1009 · high 1016 hPa

MonAug 24 −1 hPa

Rises first, then falls away in the afternoon.

Mainly clear37° / 23°

low 1009 · high 1015 hPa

TueAug 25 0 hPa

Climbs in the morning, then settles back.

Clear sky36° / 22°

low 1009 · high 1015 hPa

WedAug 26 0 hPa

Dips in the afternoon, and comes back by the end of the day.

Clear sky36° / 21°

low 1009 · high 1015 hPa

ThuAug 27 0 hPa

The same daily dip.

Clear sky37° / 23°

low 1008 · high 1014 hPa

FriAug 28 0 hPa

The same daily dip.

Clear sky37° / 24°

low 1008 · high 1014 hPa

SatAug 29 −1 hPa

Eases down slowly through the day.

Clear sky37° / 25°

low 1009 · high 1014 hPa

Hour by hour
Today Aug 23
HourWeather and temperatureRain (mm)Pressure (hPa)
00:00Clear sky25°1013
01:00Clear sky24°1013
02:00Clear sky23°1013
03:00Clear sky23°1013
04:00Clear sky22°1013
05:00Clear sky21°1013
06:00Clear sky22°1014
07:00Clear sky23°1014
08:00Clear sky26°1015
09:00Clear sky29°1016
10:00Mainly clear31°1015
11:00Partly cloudy33°1014
12:00Overcast35°1013
13:00Overcast36°1011
14:00Overcast37°1010
15:00Overcast37°1009
16:00Overcast35°1009
17:00Partly cloudy33°1010
18:00Partly cloudy31°1010
19:00Overcast31°1011
20:00Overcast31°1012
21:00Overcast31°1012
22:00Overcast30°1013
23:00Partly cloudy29°1013

A quiet week, with no day moving more than 7 hPa.

What happens next

Nothing in the week ahead moves pressure far from where it is now.

The daily rhythm

Timon has a strong daily rhythm: pressure swings about 6 hPa between a regular low and high, at almost the same hours each day. Most of what the graph shows is that daily wave, which is why the change since yesterday says more here than the change over a few hours.

Your own barometer

Timon sits 72 m above sea level, so a barometer in the city reads about 8 hPa lower than the sea-level figure. A home station set to the local reading should show about 1002 hPa as of 14:00.

The hours already past are the model's record of each hour as it passed, anchored to real observations, though not a reading from an instrument in Timon.

Cities nearby

Open one to see its pressure, or search for your own city at the top of the page.

Is this weather normal for the season? See how these days compare with Timon weather since 1940, on our sister site weatherjourney.com.

Common questions

What is a normal barometric pressure?

Near 1013 hPa at sea level; the exact standard figure, 1013.25 hPa, is the same as 760 mmHg, 29.92 inHg or 101.3 kPa. Anything between roughly 1000 and 1025 hPa is ordinary. Which way it is going matters far more than the number itself.

Why does my own barometer show a different number?

Usually altitude, and sometimes the instrument itself. Weather services correct readings to what they would be at sea level, so that cities can be compared. The figure for Timon, which stands 72 m above sea level, is in the note above: about 8 hPa below the sea-level reading. If your barometer is already set to sea level and still reads slightly differently, that is the setting on the instrument rather than the weather.

Is a millibar the same as a hectopascal?

Yes. One millibar and one hectopascal are exactly the same amount of pressure, so 1013 mbar and 1013 hPa mean the same thing. The name changed; the number did not.

Does falling pressure mean rain?

Not by itself. Away from the tropics, falling pressure usually means a low is approaching, and lows carry the fronts that bring cloud and rain, so the two often arrive together. But a shallow fall can pass with nothing more than cloud, and rain falls under steady pressure too. The graph tells you a system is on the way, not how wet it will be. The week ahead, just above, shows the rain forecast beside the pressure.