Weather archive in Johannesburg (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 April 18, Saturday | 20 | 15.6 60 | 623.5 24.55 831.27 831.27 | 84 | Wind blowing from the north-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | Haze. | 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. | 22.2 72 | 40.0 24.9 | 12.8 55 | ||||||||||||||||
14 | 21.6 71 | 623.0 24.53 830.6 830.6 | 57 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | Haze. | 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. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 71.0 44.1 | 12.6 55 | ||||||||||||||
08 | 13.4 56 | 624.3 24.58 832.33 832.33 | 93 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Haze. | Rain. | Shower(s). | 11.5 53 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 40%. 4/10. 3 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. | 70.0 43.5 | 12.3 54 | 16.0 0.63 | 24 | ||||||||||