Weather archive in Perth (airport)

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 18, Saturday	18	13.9 57	763.6 30.06 1018.05 1018.05	765.4 30.13 1020.45 1020.45	1.2 0.05 1.6 1.6	72					70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally dissolving or becoming less developed.	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.			Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	30.0 18.6	8.9 48
	15	18.2 65	762.4 30.02 1016.45 1016.45	764.2 30.09 1018.85 1018.85	-0.1 -0 -0.13 -0.13	44					60%. 6/10. 5 oktas	Clouds generally dissolving or becoming less developed.	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 and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	60%. 6/10. 5 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	5.8 42	No precipitation No precipitation	6
	14	17.5 64	762.4 30.02 1016.45 1016.45			49	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)
	12	16.3 61	762.5 30.02 1016.58 1016.58	764.3 30.09 1018.98 1018.98	0.5 0.02 0.67 0.67	67					60%. 6/10. 5 oktas	State of sky on the whole unchanged.	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 and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	60%. 6/10. 5 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	30.0 18.6	10.2 50
	09	16.4 62	762.0 30 1015.92 1015.92	763.8 30.07 1018.32 1018.32	1.9 0.07 2.53 2.53	62					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.	14.2 58		Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1000-1500 3281-4921			25.0 15.5	9.1 48	9.0 0.35	24
	08	15.1 59	761.7 29.99 1015.52 1015.52			65	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)
	06	14.9 59	760.1 29.93 1013.38 1013.38	761.9 30 1015.78 1015.78	0.7 0.03 0.93 0.93	94					100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Drizzle.			Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	600-1000 1968-3281			10.0 6.2	13.9 57
	04	14.6 58	759.9 29.92 1013.12 1013.12			88	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)
	03	14.3 58	759.4 29.9 1012.45 1012.45	761.2 29.97 1014.85 1014.85	-0.3 -0.01 -0.4 -0.4	92						Precipitation	Precipitation	Precipitation									13.0 55	2.0 0.08	6
	02	14.6 58	759.5 29.9 1012.58 1012.58			87	Wind blowing from the south	Calm
	00	14.4 58	759.7 29.91 1012.85 1012.85	761.5 29.98 1015.25 1015.25	0.2 0.01 0.27 0.27	93					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Clouds generally forming or developing.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	30.0 18.6	13.3 56
July 17, Friday	22	17.8 64	759.9 29.92 1013.12 1013.12			79	Wind blowing from the east	Calm
	21	17.4 63	759.5 29.9 1012.58 1012.58	761.3 29.97 1014.98 1014.98	1.6 0.06 2.13 2.13	85					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	State of sky on the whole unchanged.	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.		20.6 69	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 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.		20.0 12.4	14.9 59	1.0 0.04	6
	20	17.2 63	759.6 29.91 1012.72 1012.72			82	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)
	18	16.9 62	757.9 29.84 1010.45 1010.45	759.7 29.91 1012.85 1012.85	-0.7 -0.03 -0.93 -0.93	96					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	600-1000 1968-3281	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.	20.0 12.4	16.3 61