Live · KCAR · reported 17 min ago
Barometric pressure in Caribou, ME today
29.42inHg
996.4 hPa (mb)
- 3-hour change
- −0.01 inHg · −0.3 hPa
- 24-hour range
- 29.41 – 29.88 inHg
- Station (absolute) pressure
- 28.95 inHg
- Barometer dial reads
- Rain · low
Last 7 days
7-day barometric pressure graph for Caribou
Over the last 7 days, barometric pressure in Caribou ranged from 29.41 inHg (today) to 30.29 inHg (Tuesday). The sharpest fall was 0.19 inHg within six hours, today.
| Day · inHg | High | Low | Change |
|---|---|---|---|
| Today | 29.66 | 29.41 | −0.24 |
| Sat, Nov 7 | 30.01 | 29.68 | −0.31 |
| Fri, Nov 6 | 29.99 | 29.76 | +0.23 |
| Thu, Nov 5 | 29.90 | 29.74 | −0.14 |
| Wed, Nov 4 | 30.14 | 29.90 | −0.23 |
| Tue, Nov 3 | 30.29 | 30.14 | +0.02 |
| Mon, Nov 2 | 30.13 | 30.03 | +0.05 |
Altimeter setting from KCAR (METAR), one report per hour. “Change” is the first to the last report of that day; today is so far.
Caribou at a glance
How elevation shapes the reading in Caribou
Caribou is about 449 ft (137 m) above sea level. That is close to sea level, so the pressure you stand in and the sea-level figure in the forecast are nearly the same.
The reading above is the altimeter setting from Caribou Muni (KCAR), 1 km (1 mi) from the city center. It is the station’s measured pressure corrected to sea level, which is the number weather reports, apps and TV forecasts use, so you can compare Caribou with any other city.
Caribou elevation and what it means · Sea-level vs station pressure
| Elevation | 449 ft · 137 m |
|---|---|
| Weather station | Caribou Muni (KCAR) |
| Station elevation | 620 ft · 189 m |
| Standard air pressure at this elevation | 29.44 inHg · 997 hPa |
| Air pressure vs sea level | 98% |
| Water boils at | 211.2 °F · 99.5 °C |
| Time zone | America/New York |
Reading the barometer
Is the pressure in Caribou high or low?
Today’s reading is low. Weather pressure is quoted at sea level, so the same scale works for Caribou and everywhere else.
- Very low Stormy < 29.50
- Low Clouds, rain 29.50–29.80
- Normal Changeable 29.80–30.20
- High Fair 30.20–30.50
- Very high Dry, clear > 30.50
Frequently asked questions
What is the barometric pressure in Caribou today?
The live reading at the top of this page is the latest sea-level pressure reported by Caribou Muni (KCAR), 1 km (1 mi) from the city center. It updates about every 10 minutes; the graph shows the last 24 hours.
What is normal barometric pressure in Caribou?
Weather reports for Caribou use sea-level pressure, so “normal” is the same as anywhere: about 29.92 inHg (1013 hPa), with most days between 29.60 and 30.30 inHg (1002–1026 hPa). Readings above 30.20 inHg are high pressure; below 29.80 inHg is low pressure.
Why does a barometer in Caribou read lower than the forecast?
Caribou is close to sea level (about 449 ft), so absolute and sea-level pressure differ by only about 0.48 inHg (16 hPa). A larger gap usually means the barometer needs to be calibrated against the reading on this page.
Where can I see a 7-day barometric pressure graph for Caribou?
The graph on this page shows the last 7 days of hourly sea-level pressure from KCAR, with each day's high and low in the table below it. Its sharpest fall usually marks a front or storm passing through.
Is the pressure in Caribou rising or falling?
See the trend badge under the reading: it compares the latest report with the one three hours earlier. Falling pressure usually means clouds, wind or rain on the way; rising pressure means clearing and more settled weather.