Weather archive in Tehran/Shemiran
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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 October 21, Wednesday | 18:30 | 21.0 70 | 639.2 25.17 852.2 852.2 | 763.5 30.06 1017.92 1017.92 | 23 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 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. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 10.0 6.2 | -0.9 30 | |||||||||||||||
17:30 | 22.6 73 | 639.6 25.18 852.73 852.73 | 763.5 30.06 1017.92 1017.92 | 19 | variable wind direction | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 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. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 10.0 6.2 | -2.2 28 | ||||||||||||||||
16:30 | 23.8 75 | 639.7 25.19 852.86 852.86 | 763.5 30.06 1017.92 1017.92 | 18 | variable wind direction | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | Altocumulus translucidus at a single level. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 10.0 6.2 | -1.9 29 | No precipitation No precipitation | 6 | ||||||||||||||
10:30 | 23.5 74 | 641.5 25.26 855.26 855.26 | 764.9 30.11 1019.78 1019.78 | 20 | Wind blowing from the south-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Altocumulus translucidus at a single level. | Cirrostratus not progressively invading the sky and not entirely covering it. | 10.0 6.2 | -0.7 31 | No precipitation No precipitation | 6 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||||
09:30 | 22.5 73 | 641.4 25.25 855.13 855.13 | 764.7 30.11 1019.52 1019.52 | 22 | Calm, no wind | Calm | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Altocumulus translucidus at a single level. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 10.0 6.2 | -0.3 31 | ||||||||||||||||
08:30 | 19.3 67 | 641.3 25.25 855 855 | 765.3 30.13 1020.32 1020.32 | 26 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | Altocumulus translucidus at a single level. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 10.0 6.2 | -0.7 31 | ||||||||||||||||
07:30 | 16.5 62 | 640.9 25.23 854.46 854.46 | 765.2 30.13 1020.18 1020.18 | 30 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 oktas | 15.8 60 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Altocumulus translucidus at a single level. | 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. | 10.0 6.2 | -1.1 30 | |||||||||||||||
05:30 | 16.7 62 | 640.7 25.22 854.2 854.2 | 764.2 30.09 1018.85 1018.85 | 32 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | -0.1 32 | ||||||||||||||||
03:30 | 17.8 64 | 640.3 25.21 853.66 853.66 | 763.0 30.04 1017.25 1017.25 | 29 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | -0.5 31 | ||||||||||||||||||||||
02:30 | 18.9 66 | 640.3 25.21 853.66 853.66 | 762.7 30.03 1016.85 1016.85 | 25 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | -1.5 29 | ||||||||||||||||||||||
| October 20, Tuesday | 23:30 | 18.9 66 | 640.3 25.21 853.66 853.66 | 762.8 30.03 1016.98 1016.98 | 27 | Calm, no wind | Calm | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | -0.5 31 | |||||||||||||||
22:30 | 19.9 68 | 640.3 25.21 853.66 853.66 | 762.7 30.03 1016.85 1016.85 | 25 | Calm, no wind | Calm | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | -0.7 31 | No precipitation No precipitation | 6 | ||||||||||||||
21:30 | 20.8 69 | 640.1 25.2 853.4 853.4 | 762.4 30.02 1016.45 1016.45 | 24 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | -0.5 31 | ||||||||||||||||