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 July 4, Saturday	13	30.7 87	763.0 30.04 1017.25 1017.25	763.5 30.06 1017.92 1017.92	0.2 0.01 0.27 0.27	75	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas				26.4 80	32.0 90	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	25.7 78	No precipitation No precipitation	6
	12	30.6 87	763.0 30.04 1017.25 1017.25	763.5 30.06 1017.92 1017.92	0.6 0.02 0.8 0.8	74	Wind blowing from the east-northeast	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	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	25.5 78
	11	30.4 87	762.9 30.04 1017.12 1017.12	763.4 30.06 1017.78 1017.78	0.9 0.04 1.2 1.2	74	Wind blowing from the east	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.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	25.3 78
	10	30.5 87	762.8 30.03 1016.98 1016.98	763.3 30.05 1017.65 1017.65	1.0 0.04 1.33 1.33	76	Wind blowing from the north-east	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.	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	25.8 78
	09	31.1 88	762.4 30.02 1016.45 1016.45	762.9 30.04 1017.12 1017.12		73	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	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	25.6 78
	08	29.8 86	762.0 30 1015.92 1015.92	762.5 30.02 1016.58 1016.58		79	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						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	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	25.8 78
	07	28.8 84	761.8 29.99 1015.65 1015.65	762.3 30.01 1016.32 1016.32		83	Wind blowing from the north-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.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	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	25.7 78	No precipitation No precipitation	12
July 3, Friday	19	29.6 85	761.9 30 1015.78 1015.78	762.4 30.02 1016.45 1016.45	0.5 0.02 0.67 0.67	79	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	State of sky on the whole unchanged.	Thunderstorm(s) with or without precipitation.	Shower(s).	24.8 77	32.9 91	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	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	25.6 78	7.0 0.28	6
	18	30.8 87	762.0 30 1015.92 1015.92	762.5 30.02 1016.58 1016.58	0.1 0 0.13 0.13	76	Wind blowing from the east-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	40%. 4/10. 3 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	26.0 79
	17	30.5 87	761.5 29.98 1015.25 1015.25	762.0 30 1015.92 1015.92	-1.0 -0.04 -1.33 -1.33	77	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	40%. 4/10. 3 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	26.1 79
	16	30.0 86	761.4 29.98 1015.12 1015.12	761.9 30 1015.78 1015.78	-1.3 -0.05 -1.73 -1.73	82	variable wind direction	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas	Shower(s) of rain.	Thunderstorm(s) with or without precipitation.	Shower(s).			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.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	26.5 80
	15	26.8 80	761.9 30 1015.78 1015.78	762.4 30.02 1016.45 1016.45	-0.6 -0.02 -0.8 -0.8	79	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	Rain shower(s), moderate or heavy.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	22.9 73
	14	27.0 81	762.5 30.02 1016.58 1016.58	763.0 30.04 1017.25 1017.25	-0.2 -0.01 -0.27 -0.27	79	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Rain shower(s), slight.	Thunderstorm(s) with or without precipitation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	23.1 74
	13	29.5 85	762.7 30.03 1016.85 1016.85	763.2 30.05 1017.52 1017.52	0.1 0 0.13 0.13	79	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Thunderstorm, but no precipitation at the time of observation.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	27.6 82	32.9 91	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	25.5 78	No precipitation No precipitation	6