Weather archive in Porto Nacional
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2026 March 23, Monday | 09 | 27.6 82 | 738.3 29.07 984.32 984.32 | 758.3 29.85 1010.98 1010.98 | 80 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Clouds generally forming or developing. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus of a chaotic sky, generally at several levels. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 23.8 75 | 2.0 0.08 | 24 | |||||||||
| March 22, Sunday | 21 | 27.1 81 | 736.6 29 982.05 982.05 | 756.5 29.78 1008.58 1008.58 | 83 | 20–30%. 2/10–3/10. 2 oktas | State of sky on the whole unchanged. | Thunderstorm(s) with or without precipitation. | Rain. | 35.2 95 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | Less than 50 Less than 50 | Altostratus opacus or Nimbostratus. | 14.0 8.7 | 24.0 75 | |||||||||||||
15 | 34.3 94 | 735.4 28.95 980.45 980.45 | 755.2 29.73 1006.85 1006.85 | 48 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Thunderstorm (with or without precipitation). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 21.7 71 | ||||||||||||
09 | 28.0 82 | 739.0 29.09 985.25 985.25 | 759.0 29.88 1011.92 1011.92 | 75 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | 23.4 74 | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 23.1 74 | ||||||||||||||