Weather archive in Oyo Ollombo / Denis Sassou Nguesso (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 September 22, Tuesday | 07 | 24.5 76 | 732.7 28.85 976.85 976.85 | 760.3 29.93 1013.65 1013.65 | 96 | Wind blowing from the south-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 200-300 656-984 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 4.0 2.5 | 23.8 75 | 0.2 0.01 | 24 | ||||||||||
| September 21, Monday | 19 | 28.6 83 | 730.6 28.76 974.05 974.05 | 758.1 29.85 1010.72 1010.72 | 77 | Calm, no wind | Calm | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Thunderstorm, but no precipitation at the time of observation. | Thunderstorm(s) with or without precipitation. | 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. | 32.4 90 | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 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. | 7.0 4.4 | 24.2 76 | 0.1 | 12 | ||||||||
13 | 31.0 88 | 730.3 28.75 973.65 973.65 | -2.7 -0.11 -3.6 -3.6 | 61 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Clouds generally forming or developing. | Thunderstorm(s) with or without precipitation. | Rain. | 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 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | 22.7 73 | 0.1 | 6 | ||||||||||
10 | 27.3 81 | 733.0 28.86 977.25 977.25 | 1.0 0.04 1.33 1.33 | 84 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Thunderstorm, but no precipitation at the time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 7.0 4.4 | 24.3 76 | ||||||||||||
07 | 25.3 78 | 732.0 28.82 975.92 975.92 | 89 | Wind blowing from the west-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | Thunderstorm, but no precipitation at the time of observation. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 200-300 656-984 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 6.0 3.7 | 23.4 74 | |||||||||||||||