Weather archive in Tanah Merah

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
2026 July 4, Saturday	19	25.6 78	757.3 29.81 1009.65 1009.65	759.7 29.91 1012.85 1012.85	1.0 0.04 1.33 1.33	76	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 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.	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.	8.0 5.0	21.0 70
	18	27.8 82	756.7 29.79 1008.85 1008.85	759.1 29.89 1012.05 1012.05	0.4 0.02 0.53 0.53	64	Calm, no wind	Calm			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 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.	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.	8.0 5.0	20.4 69
	17	30.3 87	756.4 29.78 1008.45 1008.45	758.8 29.87 1011.65 1011.65	-0.3 -0.01 -0.4 -0.4	56	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 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.	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.	8.0 5.0	20.7 69
	16	31.3 88	756.3 29.78 1008.32 1008.32	758.7 29.87 1011.52 1011.52	-1.2 -0.05 -1.6 -1.6	52	Calm, no wind	Calm			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 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.	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.	8.0 5.0	20.4 69
	15	30.6 87	756.3 29.78 1008.32 1008.32	758.7 29.87 1011.52 1011.52	-1.8 -0.07 -2.4 -2.4	51	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 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	200-300 656-984	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.	8.0 5.0	19.4 67
	14	30.7 87	756.7 29.79 1008.85 1008.85	759.1 29.89 1012.05 1012.05	-2.1 -0.08 -2.8 -2.8	56	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	200-300 656-984	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.	8.0 5.0	21.0 70
	13	30.5 87	757.5 29.82 1009.92 1009.92	759.9 29.92 1013.12 1013.12	-1.6 -0.06 -2.13 -2.13	60	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	200-300 656-984	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.	8.0 5.0	21.8 71
	12	28.8 84	758.1 29.85 1010.72 1010.72	760.5 29.94 1013.92 1013.92	-1.3 -0.05 -1.73 -1.73	66	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	200-300 656-984	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.	8.0 5.0	21.8 71
	11	28.9 84	758.8 29.87 1011.65 1011.65	761.2 29.97 1014.85 1014.85	-0.8 -0.03 -1.07 -1.07	71	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	200-300 656-984	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.	8.0 5.0	23.0 73
	10	26.3 79	759.1 29.89 1012.05 1012.05	761.6 29.98 1015.38 1015.38	-0.3 -0.01 -0.4 -0.4	81	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 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.	40%. 4/10. 3 oktas	300-600 984-1968	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.	8.0 5.0	22.7 73
	09	25.0 77	759.4 29.9 1012.45 1012.45	761.8 29.99 1015.65 1015.65	0.6 0.02 0.8 0.8	88	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				20.7 69		Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	200-300 656-984	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.	8.0 5.0	22.9 73
	08	22.7 73	759.6 29.91 1012.72 1012.72	762.0 30 1015.92 1015.92	1.1 0.04 1.47 1.47	94	Wind blowing from the south-east	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						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	200-300 656-984	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	21.7 71
	07	21.8 71	759.4 29.9 1012.45 1012.45	761.8 29.99 1015.65 1015.65	1.0 0.04 1.33 1.33	95	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	20.9 70
	06	20.9 70	758.8 29.87 1011.65 1011.65	761.2 29.97 1014.85 1014.85	0.4 0.02 0.53 0.53	96	Calm, no wind	Calm			50%. 5/10. 4 oktas						Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	200-300 656-984	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	20.2 68
	05	20.9 70	758.5 29.86 1011.25 1011.25	761.0 29.96 1014.58 1014.58	0.3 0.01 0.4 0.4	95	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	20.0 68
	04	21.5 71	758.4 29.86 1011.12 1011.12	760.9 29.96 1014.45 1014.45	0.0 0 0 0	94	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	20.5 69
	03	21.9 71	758.4 29.86 1011.12 1011.12	760.8 29.95 1014.32 1014.32	0.7 0.03 0.93 0.93	94	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	20.9 70
	02	22.5 73	758.2 29.85 1010.85 1010.85	760.6 29.94 1014.05 1014.05	0.5 0.02 0.67 0.67	94	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	21.5 71
	01	22.5 73	758.4 29.86 1011.12 1011.12	760.8 29.95 1014.32 1014.32	0.7 0.03 0.93 0.93	94	Wind blowing from the south-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	21.4 71
	00	24.5 76	757.7 29.83 1010.18 1010.18	760.9 29.96 1014.45 1014.45	-0.7 -0.03 -0.93 -0.93	80	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	20.9 70
July 3, Friday	23	24.4 76	757.7 29.83 1010.18 1010.18	760.6 29.94 1014.05 1014.05	-0.5 -0.02 -0.67 -0.67	81	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	21.0 70
	22	24.2 76	757.7 29.83 1010.18 1010.18	760.8 29.95 1014.32 1014.32	0.1 0 0.13 0.13	87	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	21.8 71
	21	24.5 76	758.4 29.86 1011.12 1011.12	760.8 29.95 1014.32 1014.32	1.3 0.05 1.73 1.73	87	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas					31.9 89	Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	22.1 72
	20	24.8 77	758.2 29.85 1010.85 1010.85	760.6 29.94 1014.05 1014.05	1.6 0.06 2.13 2.13	83	Wind blowing from the north-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	21.8 71
	19	26.3 79	757.6 29.83 1010.05 1010.05	760.0 29.92 1013.25 1013.25	1.2 0.05 1.6 1.6	77	Calm, no wind	Calm			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	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.	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.	9.0 5.6	21.9 71