Atmospheric Pressure Forecast for nagano, japan with chart
In the next 7 days, it is expected that the pressure, will be increasing. The maximum pressure will reach 1022.5 hPa on 22 Sep 2025 at 21:00, and the minimum will be 1008 hPa on 17 Sep 2025 at 14:00. The average pressure during this period is 1014.77 hPa, which is classified as normal.
The average daily air pressure fluctuation is 4.94 hPa, which is moderate, indicating moderately variable barometric pressure in this region. The average daily pressure range is 4.94 hPa, which is narrow, indicating low variability pressure.
Pressure is gradually increasing, which may indicate approaching good weather.
7 days Historical Atmospheric Pressure.
In the past 7 days, in nagano, japan experienced a increase in pressure. The maximum barometric pressure reached 1017.6 hPa on 12 Sep 2025 at 20:00, and the minimum was 1007.5 hPa on 14 Sep 2025 at 01:00. The average air pressure during this period is 1013.34 hPa, which is classified as normal.
The average daily barometric pressure fluctuation was 4.41 hPa, which is moderate, indicating moderately variable air pressure over the past 7 days. The average daily pressure range was 4.41 hPa, which is narrow, indicating low variability pressure.
Based on the obtained data, there was an overall trend of increasing pressure.
14 days Atmospheric Pressure Overview
Over the period of 14 days the atmospheric pressure in nagano, japan has been increasing, indicating a general rise in pressure. The maximum pressure reached 1022.5 hPa at 22 Sep 2025 21:00, while the minimum air pressure was 1007.5 hPa at 14 Sep 2025 01:00. The average pressure over this period is 1014.01 hPa, which is considered average.
The most significant rise in barometric pressure occurred between 14 Sep 2025 03:00 to 14 Sep 2025 04:00, with an increase of 1.7 hPa. Conversely, the most notable drop in pressure was observed between 10 Sep 2025 11:00 to 10 Sep 2025 12:00, where air pressure decreased by -1.7 hPa.
* Please be aware that the barometric pressure information displayed for nagano, japan is provided solely for educational purposes. We do not guarantee the accuracy or reliability of this data. This content is not a substitute for professional medical advice. If you have health concerns, please consult a qualified healthcare provider and do not base medical decisions on the information presented on this site.