Weather archive on Grand Cayman

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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 19, Saturday	19	28.9 84	760.0 29.92 1013.25 1013.25	760.5 29.94 1013.92 1013.92	0.8 0.03 1.07 1.07	80	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				27.2 81	31.9 89	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	300-600 984-1968	Altostratus translucidus.	Cirrostratus covering the whole sky.	30.0 18.6	25.1 77	No precipitation No precipitation	6
	18	29.5 85	759.7 29.91 1012.85 1012.85	760.2 29.93 1013.52 1013.52	0.5 0.02 0.67 0.67	75	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	300-600 984-1968	Altostratus translucidus.	Cirrostratus covering the whole sky.	30.0 18.6	24.7 76
	17	30.0 86	759.2 29.89 1012.18 1012.18	759.7 29.91 1012.85 1012.85	-0.1 -0 -0.13 -0.13	73	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 oktas	300-600 984-1968	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.	Cirrostratus covering the whole sky.	30.0 18.6	24.7 76
	16	29.7 85	759.2 29.89 1012.18 1012.18	759.7 29.91 1012.85 1012.85	-0.4 -0.02 -0.53 -0.53	77	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	25.2 77
	15	29.8 86	759.2 29.89 1012.18 1012.18	759.7 29.91 1012.85 1012.85	-1.0 -0.04 -1.33 -1.33	77	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	25.4 78
	14	30.0 86	759.3 29.89 1012.32 1012.32	759.8 29.91 1012.98 1012.98	-1.1 -0.04 -1.47 -1.47	75	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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	300-600 984-1968	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	25.0 77
	13	29.3 85	759.6 29.91 1012.72 1012.72	760.1 29.93 1013.38 1013.38	-0.3 -0.01 -0.4 -0.4	79	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.	27.2 81		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	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	25.2 77	1.0 0.04	6
	12	29.4 85	760.2 29.93 1013.52 1013.52	760.7 29.95 1014.18 1014.18	-0.4 -0.02 -0.53 -0.53	79	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 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.	40%. 4/10. 3 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	25.4 78
	11	29.3 85	760.4 29.94 1013.78 1013.78	760.9 29.96 1014.45 1014.45	-0.4 -0.02 -0.53 -0.53	83	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			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	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	26.2 79
	10	29.0 84	759.9 29.92 1013.12 1013.12	760.4 29.94 1013.78 1013.78	-0.2 -0.01 -0.27 -0.27	84	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			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	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	26.1 79
	09	28.8 84	760.6 29.94 1014.05 1014.05	761.1 29.96 1014.72 1014.72		89	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain shower(s), violent.	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 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	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	26.9 80
	08	28.6 83	760.8 29.95 1014.32 1014.32	761.3 29.97 1014.98 1014.98		91	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	26.9 80
	07	28.3 83	760.1 29.93 1013.38 1013.38	760.6 29.94 1014.05 1014.05		93	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Cloud development not observed or not observable.	Shower(s).		27.2 81	33.4 92	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	27.0 81	Trace of precipitation Trace of precipitation	12
September 18, Friday	19	30.2 86	759.7 29.91 1012.85 1012.85	760.2 29.93 1013.52 1013.52	0.2 0.01 0.27 0.27	83	Wind blowing from the east-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				27.9 82	33.4 92	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altocumulus of a chaotic sky, generally at several 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.	30.0 18.6	26.9 80	No precipitation No precipitation	6