EGWC pressure (QNH) trend
RAF Cosford
The altimeter setting over time. Sharp falls mark approaching systems; the range tells you what to expect on a transition altitude.
Lowest QNH
1010 hPa
Sep 19, 2026
Highest QNH
1033 hPa
Sep 21, 2026
Mean QNH
1021 hPa
900 archived observations · Archive updated continuously
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