Weather archive in Kloten (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 | |
| 2025 September 17, Wednesday | 14 | 18.6 65 | 731.5 28.8 975.25 975.25 | 768.7 30.26 1024.85 1024.85 | -0.3 -0.01 -0.4 -0.4 | 50 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | 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 | 1000-1500 3281-4921 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 35.0 21.8 | 7.8 46 | No precipitation No precipitation | 6 | |||||||||||
13 | 17.5 64 | 731.8 28.81 975.65 975.65 | 769.1 30.28 1025.38 1025.38 | 0.1 0 0.13 0.13 | 52 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 7.5 46 | No precipitation No precipitation | 1 | |||||||||||||||||||
12 | 17.0 63 | 731.9 28.81 975.79 975.79 | 769.3 30.29 1025.65 1025.65 | 0.6 0.02 0.8 0.8 | 54 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 7.5 46 | No precipitation No precipitation | 1 | |||||||||||||||||||
11 | 17.5 64 | 731.8 28.81 975.65 975.65 | 769.2 30.28 1025.52 1025.52 | 0.6 0.02 0.8 0.8 | 59 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | 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 | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 28.0 17.4 | 9.3 49 | No precipitation No precipitation | 1 | ||||||||||||
10 | 15.2 59 | 731.7 28.81 975.52 975.52 | 769.3 30.29 1025.65 1025.65 | 0.7 0.03 0.93 0.93 | 62 | Wind blowing from the west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 8.0 46 | No precipitation No precipitation | 1 | |||||||||||||||||||
09 | 13.6 56 | 731.3 28.79 974.99 974.99 | 769.2 30.28 1025.52 1025.52 | 0.4 0.02 0.53 0.53 | 81 | Wind blowing from the south-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 10.4 51 | No precipitation No precipitation | 1 | |||||||||||||||||||
08 | 12.0 54 | 731.2 28.79 974.85 974.85 | 769.3 30.29 1025.65 1025.65 | 0.4 0.02 0.53 0.53 | 89 | Wind blowing from the south-southeast | 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 | 11.3 52 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | 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. | 18.0 11.2 | 10.3 51 | No precipitation No precipitation | 12 | Surface of ground moist. | 8.0 46 | ||||||||||
07 | 11.7 53 | 731.0 28.78 974.59 974.59 | 769.1 30.28 1025.38 1025.38 | 0.1 0 0.13 0.13 | 92 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 10.4 51 | No precipitation No precipitation | 1 | |||||||||||||||||||
06 | 11.6 53 | 730.9 28.78 974.45 974.45 | 769.0 30.28 1025.25 1025.25 | 0.0 0 0 0 | 89 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 9.9 50 | No precipitation No precipitation | 1 | |||||||||||||||||||
05 | 11.9 53 | 730.8 28.77 974.32 974.32 | 768.9 30.27 1025.12 1025.12 | -0.3 -0.01 -0.4 -0.4 | 88 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 9.9 50 | No precipitation No precipitation | 1 | |||||||||||||||||||
04 | 12.3 54 | 730.9 28.78 974.45 974.45 | 769.0 30.28 1025.25 1025.25 | -0.3 -0.01 -0.4 -0.4 | 83 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 9.4 49 | No precipitation No precipitation | 1 | |||||||||||||||||||
03 | 12.0 54 | 730.9 28.78 974.45 974.45 | 769.0 30.28 1025.25 1025.25 | -0.4 -0.02 -0.53 -0.53 | 84 | Wind blowing from the south-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 9.3 49 | No precipitation No precipitation | 1 | |||||||||||||||||||
02 | 11.8 53 | 731.1 28.78 974.72 974.72 | 769.2 30.28 1025.52 1025.52 | -0.2 -0.01 -0.27 -0.27 | 84 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 9.2 49 | No precipitation No precipitation | 6 | |||||||||||||||||||
01 | 11.8 53 | 731.2 28.79 974.85 974.85 | 769.3 30.29 1025.65 1025.65 | 0.0 0 0 0 | 85 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 9.3 49 | No precipitation No precipitation | 1 | |||||||||||||||||||
00 | 12.3 54 | 731.3 28.79 974.99 974.99 | 769.3 30.29 1025.65 1025.65 | 0.4 0.02 0.53 0.53 | 80 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 9.0 48 | No precipitation No precipitation | 1 | |||||||||||||||||||
| September 16, Tuesday | 23 | 13.4 56 | 731.3 28.79 974.99 974.99 | 769.2 30.28 1025.52 1025.52 | 0.9 0.04 1.2 1.2 | 72 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1500-2000 4921-6562 | 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. | 20.0 12.4 | 8.4 47 | No precipitation No precipitation | 1 | ||||||||||||
22 | 13.8 57 | 731.2 28.79 974.85 974.85 | 769.0 30.28 1025.25 1025.25 | 1.2 0.05 1.6 1.6 | 72 | Wind blowing from the south-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 8.8 48 | No precipitation No precipitation | 1 | |||||||||||||||||||
21 | 14.8 59 | 730.9 28.78 974.45 974.45 | 768.5 30.26 1024.58 1024.58 | 1.0 0.04 1.33 1.33 | 60 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 7.0 45 | No precipitation No precipitation | 1 | |||||||||||||||||||
20 | 14.7 58 | 730.4 28.76 973.79 973.79 | 768.1 30.24 1024.05 1024.05 | 0.5 0.02 0.67 0.67 | 62 | Wind blowing from the south-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | 19.1 66 | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1500-2000 4921-6562 | 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. | 25.0 15.5 | 7.4 45 | No precipitation No precipitation | 12 | Surface of ground moist. | |||||||||||
19 | 15.4 60 | 730.0 28.74 973.25 973.25 | 767.5 30.22 1023.25 1023.25 | 0.2 0.01 0.27 0.27 | 61 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 7.9 46 | No precipitation No precipitation | 1 | |||||||||||||||||||
18 | 16.5 62 | 729.9 28.74 973.12 973.12 | 767.3 30.21 1022.98 1022.98 | 0.1 0 0.13 0.13 | 52 | Wind blowing from the west-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 6.5 44 | No precipitation No precipitation | 1 | |||||||||||||||||||
17 | 17.6 64 | 729.9 28.74 973.12 973.12 | 767.2 30.2 1022.85 1022.85 | 0.0 0 0 0 | 54 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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 | Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 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. | 25.0 15.5 | 8.2 47 | No precipitation No precipitation | 1 | ||||||||||||
16 | 18.6 65 | 729.8 28.73 972.99 972.99 | 766.9 30.19 1022.45 1022.45 | 49 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 7.7 46 | ||||||||||||||||||||||
15 | 17.9 64 | 729.8 28.73 972.99 972.99 | 767.0 30.2 1022.58 1022.58 | -0.7 -0.03 -0.93 -0.93 | 53 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8.1 47 | No precipitation No precipitation | 1 | |||||||||||||||||||
14 | 18.4 65 | 729.9 28.74 973.12 973.12 | 767.0 30.2 1022.58 1022.58 | -0.7 -0.03 -0.93 -0.93 | 53 | 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 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | 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. | 25.0 15.5 | 8.5 47 | No precipitation No precipitation | 6 | ||||||||||||