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 May 21, Thursday	15	31.1 88	760.1 29.93 1013.38 1013.38	760.6 29.94 1014.05 1014.05	-0.9 -0.04 -1.2 -1.2	70	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station.	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.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	60%. 6/10. 5 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.	30.0 18.6	24.9 77
	14	31.0 88	760.3 29.93 1013.65 1013.65	760.8 29.95 1014.32 1014.32	-0.7 -0.03 -0.93 -0.93	66	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	60%. 6/10. 5 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	30.0 18.6	23.9 75
	13	31.0 88	760.7 29.95 1014.18 1014.18	761.2 29.97 1014.85 1014.85	0.0 0 0 0	67	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			60%. 6/10. 5 oktas				25.0 77	32.0 90	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	60%. 6/10. 5 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.	30.0 18.6	24.2 76	No precipitation No precipitation	6
	12	30.6 87	761.0 29.96 1014.58 1014.58	761.5 29.98 1015.25 1015.25	0.3 0.01 0.4 0.4	69	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, 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.	30.0 18.6	24.3 76
	11	30.7 87	761.0 29.96 1014.58 1014.58	761.5 29.98 1015.25 1015.25	0.3 0.01 0.4 0.4	73	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.	60%. 6/10. 5 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	25.3 78
	10	30.5 87	760.7 29.95 1014.18 1014.18	761.2 29.97 1014.85 1014.85	0.3 0.01 0.4 0.4	71	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 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.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	24.7 76
	09	29.6 85	760.7 29.95 1014.18 1014.18	761.2 29.97 1014.85 1014.85		75	Wind blowing from the east-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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.	40%. 4/10. 3 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	24.6 76
	08	29.5 85	760.7 29.95 1014.18 1014.18	761.2 29.97 1014.85 1014.85		75	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 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.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	24.6 76
	07	27.5 82	760.4 29.94 1013.78 1013.78	760.9 29.96 1014.45 1014.45		82	Wind blowing from the east-northeast	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.	40%. 4/10. 3 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	24.2 76	No precipitation No precipitation	12
May 20, Wednesday	19	28.0 82	760.6 29.94 1014.05 1014.05	761.1 29.96 1014.72 1014.72	0.8 0.03 1.07 1.07	81	Calm, no wind	Calm			40%. 4/10. 3 oktas				26.4 80	32.2 90	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	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 cumulonimbogenitus.	30.0 18.6	24.4 76	2.0 0.08	6
	18	28.1 83	760.4 29.94 1013.78 1013.78	760.9 29.96 1014.45 1014.45	0.6 0.02 0.8 0.8	80	Calm, no wind	Calm			60%. 6/10. 5 oktas						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	24.4 76
	17	28.5 83	759.9 29.92 1013.12 1013.12	760.4 29.94 1013.78 1013.78	-0.4 -0.02 -0.53 -0.53	82	Calm, no wind	Calm			60%. 6/10. 5 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	25.1 77
	16	29.7 85	759.8 29.91 1012.98 1012.98	760.3 29.93 1013.65 1013.65	-1.0 -0.04 -1.33 -1.33	71	Wind blowing from the north-northwest	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	Rain shower(s), slight.	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.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	23.9 75
	15	29.7 85	759.8 29.91 1012.98 1012.98	760.3 29.93 1013.65 1013.65	-1.2 -0.05 -1.6 -1.6	72	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	Funnel cloud(s) at or within sight of the station during the preceding hour or at the time of observation.	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.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	24.1 75