United States
Barometric Pressure in Indianapolis, IN
Indianapolis is in Indiana, United States. These forecasts use the saved city coordinates; nearby weather model grid points and their elevations may differ.
- Coordinates: 39.7684, -86.1580
- Timezone: America/Indiana/Indianapolis
- Approximate terrain elevation: 218 m
Current pressure
—hPa
- Surface pressure
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- Change over three hours
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Pressure trend and forecast
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Yesterday through the seven-day forecast. Drag across the chart to explore hourly pressure; release to return to now.
Predicted Rapid Changes
Daily Forecast
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Normal barometric pressure in Indianapolis
At about 218 m, a barometer or phone sensor in Indianapolis typically reads around 987 hPa (29.16 inHg), about 26 hPa (0.77 inHg) below the sea-level figures in weather reports.
| Reference | hPa | inHg | mmHg |
|---|---|---|---|
| Standard sea-level pressure (used in weather reports) | 1,013.25 | 29.92 | 760 |
| Typical surface pressure at about 218 m (standard-atmosphere estimate) | 987 | 29.16 | 741 |
Weather services convert local readings to sea level so that Indianapolis can be compared with places at other elevations.
Average barometric pressure in Indianapolis (2021–2025)
From 2021 to 2025, sea-level pressure in Indianapolis averaged 1,017.3 hPa (30.04 inHg). On 9 days out of 10, the daily average stayed between 1,007 and 1,029 hPa (29.74–30.37 inHg).
Pressure averaged highest in February (1,020.2 hPa) and lowest in June (1,014.2 hPa), a seasonal swing of about 6 hPa. From one day to the next, the daily average typically changed by about 3 hPa, and by 9 hPa or more on about 1 day in 10.
The lowest hourly value in the period was 980.3 hPa on March 3, 2023; the highest was 1,042.2 hPa on January 21, 2024.
| Month | Avg hPa | Avg inHg | Usual range |
|---|---|---|---|
| January | 1,020.1 | 30.12 | 1,009–1,030 |
| February | 1,020.2 | 30.13 | 1,010–1,030 |
| March | 1,016.7 | 30.02 | 1,008–1,026 |
| April | 1,015.7 | 29.99 | 1,007–1,023 |
| May | 1,015.3 | 29.98 | 1,007–1,024 |
| June | 1,014.2 | 29.95 | 1,010–1,020 |
| July | 1,015.5 | 29.99 | 1,012–1,019 |
| August | 1,016.7 | 30.02 | 1,012–1,022 |
| September | 1,016.8 | 30.03 | 1,012–1,021 |
| October | 1,017.5 | 30.05 | 1,010–1,025 |
| November | 1,019.7 | 30.11 | 1,012–1,028 |
| December | 1,019.4 | 30.10 | 1,010–1,030 |
Reading the pressure
Sea-level pressure allows comparison between places at different elevations. Surface pressure represents pressure at the modelled ground elevation. A rising or falling value describes a trend; it is not a complete weather forecast.
Barometric pressure in Indianapolis: common questions
What is normal barometric pressure in Indianapolis?
For weather comparisons, normal sea-level pressure is 1,013.25 hPa (29.92 inHg, 760 mmHg). Readings above it are higher than standard and readings below it are lower. From 2021 to 2025, sea-level pressure in Indianapolis averaged 1,017.3 hPa (30.04 inHg), and on 9 days out of 10 the daily average was between 1,007 and 1,029 hPa. A barometer measuring local pressure at about 218 m in Indianapolis typically reads around 987 hPa (29.16 inHg).
Why does my phone show a different pressure in Indianapolis than the weather report?
Phone sensors and household barometers measure pressure where you are, while weather reports adjust readings to sea level so places can be compared. In Indianapolis, that adjustment is about 26 hPa (0.77 inHg) under standard conditions, and it grows if you are on a higher floor or hill.
Is the barometric pressure in Indianapolis high or low today?
When live data loads, compare the current sea-level reading above with 1,013 hPa (29.92 inHg). The three-hour change and the seven-day trend usually say more about changing weather than a single value. Normal, high, and low pressure explained.