Weather archive in Chiang Rai

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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 20, Sunday	23	25.7 78	728.1 28.67 970.72 970.72	759.7 29.91 1012.85 1012.85			Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							24.6 76	34.2 94								No precipitation No precipitation	1
	22	25.7 78	728.1 28.67 970.72 970.72	761.0 29.96 1014.58 1014.58	2.1 0.08 2.8 2.8	95	Calm, no wind	Calm			50%. 5/10. 4 oktas	State of sky on the whole unchanged.	Rain.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	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, but the continuous veil does not reach 45 degrees above the horizon.	10.0 6.2	24.8 77	0.2 0.01	3
	21	25.6 78	727.7 28.65 970.19 970.19	759.4 29.9 1012.45 1012.45			Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							24.6 76	34.2 94								No precipitation No precipitation	1
	20	26.0 79	727.0 28.62 969.25 969.25	758.6 29.87 1011.38 1011.38			Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							24.6 76	34.2 94								No precipitation No precipitation	1
	19	27.3 81	726.0 28.58 967.92 967.92	758.7 29.87 1011.52 1011.52	0.5 0.02 0.67 0.67	81	Calm, no wind	Calm			50%. 5/10. 4 oktas					33.5 92	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	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, but the continuous veil does not reach 45 degrees above the horizon.	10.0 6.2	23.8 75
	18	27.0 81				77	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.6 76	34.2 94							22.7 73
	17	31.2 88				63	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)							24.6 76	34.2 94							23.4 74
	16	31.0 88	725.5 28.56 967.25 967.25	757.7 29.83 1010.18 1010.18	-1.8 -0.07 -2.4 -2.4	61	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	600-1000 1968-3281	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, but the continuous veil does not reach 45 degrees above the horizon.	10.0 6.2	22.7 73
	15	34.0 93				55	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							24.6 76	34.0 93							23.7 75
	14	32.2 90				59	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							24.6 76	33.7 93							23.3 74
	13	33.1 92	727.3 28.63 969.65 969.65	759.4 29.9 1012.45 1012.45	-1.7 -0.07 -2.27 -2.27	58	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	10.0 6.2	23.8 75
	12	32.0 90				62	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.6 76	33.0 91							23.7 75
	11	30.6 87				63	Wind blowing from the north-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.6 76	33.0 91							22.8 73
	10	29.9 86	729.0 28.7 971.92 971.92	761.5 29.98 1015.25 1015.25	0.5 0.02 0.67 0.67	69	Calm, no wind	Calm			50%. 5/10. 4 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	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, but the continuous veil does not reach 45 degrees above the horizon.	10.0 6.2	23.5 74
	09	27.3 81				85	Wind blowing from the north-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.6 76								24.6 76
	08	25.7 78	729.1 28.7 972.05 972.05	760.7 29.95 1014.18 1014.18				Calm							24.6 76									No precipitation No precipitation	1
	07	25.0 77	728.5 28.68 971.25 971.25	761.5 29.98 1015.25 1015.25	1.4 0.06 1.87 1.87	95	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				24.5 76		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 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.	10.0 6.2	24.1 75
	06	24.8 77	728.1 28.67 970.72 970.72	759.7 29.91 1012.85 1012.85			Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							24.2 76									No precipitation No precipitation	1
	05	24.7 76	727.7 28.65 970.19 970.19	759.4 29.9 1012.45 1012.45			Wind blowing from the south	Calm							24.1 75									No precipitation No precipitation	1
	04	24.6 76	727.1 28.63 969.39 969.39	760.1 29.93 1013.38 1013.38	-0.3 -0.01 -0.4 -0.4	95	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 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.	10.0 6.2	23.7 75
	03	24.8 77	727.5 28.64 969.92 969.92	759.1 29.89 1012.05 1012.05			Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							23.8 75	33.0 91								No precipitation No precipitation	1
	02	25.0 77	727.6 28.65 970.05 970.05	759.2 29.89 1012.18 1012.18			Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.8 75	33.0 91								No precipitation No precipitation	1
	01	25.1 77	727.4 28.64 969.79 969.79	760.4 29.94 1013.78 1013.78	0.1 0 0.13 0.13	95	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 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.	10.0 6.2	24.2 76
	00	25.3 78	727.9 28.66 970.45 970.45	759.5 29.9 1012.58 1012.58			Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.8 75	33.0 91								No precipitation No precipitation	1