Weather archive in Rio de Janeiro / Santos Dumont (airport)
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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 August 30, Sunday | 15 | 24.4 76 | 758.2 29.85 1010.85 1010.85 | 758.6 29.87 1011.38 1011.38 | 89 | Wind blowing from the south-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Mist. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 40%. 4/10. 3 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 12.0 7.5 | 22.5 73 | No precipitation No precipitation | 6 | |||||||||
12 | 27.4 81 | 760.3 29.93 1013.65 1013.65 | 760.6 29.94 1014.05 1014.05 | 80 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | Mist. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 9.0 5.6 | 23.7 75 | ||||||||||||
09 | 26.4 80 | 760.6 29.94 1014.05 1014.05 | 760.9 29.96 1014.45 1014.45 | 80 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | Mist. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 23.3 74 | Stratocumulus other than Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 9.0 5.6 | 22.7 73 | 0.2 0.01 | 24 | |||||||||
06 | 23.3 74 | 757.0 29.8 1009.25 1009.25 | 757.3 29.81 1009.65 1009.65 | 97 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | Mist. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 8.0 5.0 | 22.8 73 | ||||||||||||
03 | 24.7 76 | 757.3 29.81 1009.65 1009.65 | 757.7 29.83 1010.18 1010.18 | 89 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | Mist. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 15.0 9.3 | 22.8 73 | 0.2 0.01 | 6 | ||||||||||
00 | 24.6 76 | 759.0 29.88 1011.92 1011.92 | 759.4 29.9 1012.45 1012.45 | 89 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 60%. 6/10. 5 oktas | Thunderstorm (with or without precipitation). | Thunderstorm(s) with or without precipitation. | Rain. | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 15.0 9.3 | 22.7 73 | ||||||||||||
| August 29, Saturday | 21 | 25.6 78 | 758.6 29.87 1011.38 1011.38 | 759.0 29.88 1011.92 1011.92 | 82 | Wind blowing from the south-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 100%. 10/10. 8 oktas | Thunderstorm, but no precipitation at the time of observation. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | 22.2 72 | |||||||||||
15 | 31.7 89 | 754.9 29.72 1006.45 1006.45 | 755.2 29.73 1006.85 1006.85 | 54 | Wind blowing from the north-northwest | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 20.0 12.4 | 21.2 70 | |||||||||||||||||||