Weather archive in Vientiane (airport)

To receive explanations, hover over the appropriate heading

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
2024 September 16, Monday	22	28.6 83	737.8 29.05 983.65 983.65	752.2 29.61 1002.85 1002.85		94	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	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.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	3.0 1.9	27.6 82
	16	32.1 90	735.6 28.96 980.72 980.72	749.7 29.52 999.52 999.52	-1.7 -0.07 -2.27 -2.27	59	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	23.0 73
	13	30.5 87	737.3 29.03 982.99 982.99	751.6 29.59 1002.05 1002.05	-0.9 -0.04 -1.2 -1.2	75	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	25.6 78
	10		738.2 29.06 984.19 984.19	752.7 29.63 1003.52 1003.52	0.3 0.01 0.4 0.4		Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	24.8 77
	07	24.0 75	737.9 29.05 983.79 983.79	752.5 29.63 1003.25 1003.25	2.1 0.08 2.8 2.8	96	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas	Mist.	Thunderstorm(s) with or without precipitation.	Rain.	23.0 73		Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	50%. 5/10. 4 oktas	200-300 656-984			4.0 2.5	23.4 74	27.0 1.06	24
	04	23.4 74	735.8 28.97 980.99 980.99	750.4 29.54 1000.45 1000.45	-0.8 -0.03 -1.07 -1.07	98	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, intermittent, slight at time of observation.	Thunderstorm(s) with or without precipitation.	Drizzle.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	50%. 5/10. 4 oktas	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.		2.0 1.2	23.1 74	1.0 0.04	2
	01	26.6 80	736.6 29 982.05 982.05	751.0 29.57 1001.25 1001.25	-0.6 -0.02 -0.8 -0.8	95	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow 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.	40%. 4/10. 3 oktas	600-1000 1968-3281	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.		2.0 1.2	25.7 78	26.0 1.02	18
September 15, Sunday	22	28.2 83	737.2 29.02 982.85 982.85	751.6 29.59 1002.05 1002.05	1.8 0.07 2.4 2.4	84	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas	Lightning visible, no thunder heard.	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.	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.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	3.0 1.9	25.2 77