barometer.today

Barometric pressure in Shahdadpur

1004hPa
Rising

Taking each day as a whole, pressure has risen steadily. It is 3 hPa higher than this time yesterday. It is levelling off, then starts falling this evening.

Sea level reading, as of 22:00 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.

now39° / 27°39° / 27°39° / 27°39° / 27°39° / 27°38° / 27°38° / 27°40° / 27°40° / 27°40° / 27°40° / 26°41° / 26°38° / 26°Mon 17Tue 18Wed 19Thu 20Fri 21Sat 22Sun 23Mon 24Tue 25Wed 26Thu 27Fri 28Sat 29995.0997.51000.01002.51005.0
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 +3 hPa

Rises steadily through the day.

Clear sky38° / 27°

low 1000 · high 1004 hPa

MonAug 24 0 hPa

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

Light drizzle40° / 27°0.6 mm

low 1000 · high 1004 hPa

TueAug 25 0 hPa

The same daily dip.

Clear sky40° / 27°

low 1000 · high 1004 hPa

WedAug 26 −2 hPa

Eases down slowly through the day.

Clear sky40° / 27°

low 999 · high 1003 hPa

ThuAug 27 −1 hPa

Eases down slowly through the day.

Overcast40° / 26°

low 997 · high 1001 hPa

FriAug 28 +1 hPa

Falls first, then climbs in the evening.

Overcast41° / 26°

low 997 · high 1000 hPa

SatAug 29 0 hPa

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

Clear sky38° / 26°

low 997 · high 1001 hPa

Hour by hour
Today Aug 23
HourWeather and temperatureRain (mm)Pressure (hPa)
00:00Clear sky28°1001
01:00Clear sky28°1001
02:00Clear sky27°1000
03:00Clear sky27°1000
04:00Clear sky27°1000
05:00Clear sky27°1000
06:00Clear sky27°1001
07:00Clear sky28°1001
08:00Clear sky29°1002
09:00Clear sky30°1002
10:00Clear sky33°1003
11:00Clear sky34°1003
12:00Clear sky36°1002
13:00Clear sky37°1001
14:00Clear sky38°1001
15:00Clear sky38°1000
16:00Clear sky38°1000
17:00Clear sky37°1000
18:00Clear sky36°1000
19:00Clear sky34°1001
20:00Clear sky32°1002
21:00Clear sky31°1003
22:00Clear sky30°1004
23:00Clear sky29°1004

Of the seven days, today moves most: up 3 hPa.

What happens next

Pressure tops out near 1004 hPa this evening, and falls after that.

The daily rhythm

In Shahdadpur pressure moves on a daily clock: about 3 hPa between its regular low and high, at much the same hours every day. That daily swing is most of the shape you see on the graph, so the change since yesterday tells you more here than the change over the past few hours.

Your own barometer

Shahdadpur sits 25 m above sea level, so a barometer in the city reads about 3 hPa lower than the sea-level figure. A home station set to the local reading should show about 1001 hPa as of 22:00.

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 Shahdadpur.

Cities nearby

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

Curious what you are breathing? See the air quality in Shahdadpur today, on our sister site airindex.today.

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 Shahdadpur, which stands 25 m above sea level, is in the note above: about 3 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.