Weather archive in Ko Samui / Maret

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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 18, Friday	19	28.0 82	756.3 29.78 1008.32 1008.32	756.8 29.8 1008.98 1008.98	1.1 0.04 1.47 1.47	88	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	State of sky on the whole unchanged.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		33.1 92	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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	25.9 79	Trace of precipitation Trace of precipitation	12
	18	28.1 83				85	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							27.6 82	33.1 92							25.4 78
	17	28.6 83				83	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							27.6 82	33.1 92							25.5 78
	16	29.3 85	755.2 29.73 1006.85 1006.85	755.7 29.75 1007.52 1007.52	-1.3 -0.05 -1.73 -1.73	81	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						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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	25.8 78
	15	31.1 88				74	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							27.6 82	33.1 92							26.0 79
	14	31.1 88				75	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							27.6 82	33.1 92							26.2 79
	13	31.5 89	756.5 29.78 1008.58 1008.58	757.0 29.8 1009.25 1009.25	-1.5 -0.06 -2 -2	70	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						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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	25.3 78
	12	32.1 90				67	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							27.6 82	33.2 92							25.2 77
	11	31.8 89				70	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							27.6 82	33.2 92							25.6 78
	10	31.1 88	758.0 29.84 1010.58 1010.58	758.5 29.86 1011.25 1011.25	0.2 0.01 0.27 0.27	71	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						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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	25.3 78
	09	31.3 88				70	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							27.6 82	33.2 92							25.1 77
	08	30.3 87				75	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							27.6 82								25.4 78
	07	28.0 82	757.8 29.83 1010.32 1010.32	758.3 29.85 1010.98 1010.98	0.8 0.03 1.07 1.07	87	Wind blowing from the west	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 throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	27.3 81		Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	9.0 5.6	25.6 78
	06	27.8 82				87	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							27.0 81								25.4 78
	05	27.6 82				88	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							26.6 80								25.4 78
	04	28.0 82	757.0 29.8 1009.25 1009.25	757.5 29.82 1009.92 1009.92	-1.0 -0.04 -1.33 -1.33	83	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 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	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	8.0 5.0	24.8 77
	03	28.1 83				82	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															24.8 77
	02	28.6 83				84	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															25.7 78
	01	28.6 83	758.0 29.84 1010.58 1010.58	758.5 29.86 1011.25 1011.25	-1.0 -0.04 -1.33 -1.33	82	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 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	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	8.0 5.0	25.2 77
	00	28.6 83				82	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	33.2 92							25.2 77
September 17, Thursday	23	28.6 83				87	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	33.2 92							26.2 79
	22	28.8 84	759.0 29.88 1011.92 1011.92	759.5 29.9 1012.58 1012.58	1.5 0.06 2 2	86	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	8.0 5.0	26.3 79
	21	28.5 83				87	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	33.2 92							26.2 79
	20	28.6 83				85	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	33.2 92							25.8 78
	19	28.7 84	757.5 29.82 1009.92 1009.92	758.0 29.84 1010.58 1010.58	0.5 0.02 0.67 0.67	84	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		33.2 92	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	9.0 5.6	25.7 78