Weather archive in Grimsstadir

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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 8, Friday	21	-4.9 23	732.3 28.83 976.32 976.32	769.0 30.28 1025.25 1025.25		86	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						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.	No Cirrus, Cirrocumulus or Cirrostratus.	50.0 31.1	-6.9 20
	18	-2.2 28	731.8 28.81 975.65 975.65	768.1 30.24 1024.05 1024.05	0.1 0 0.13 0.13	78	Wind blowing from the north-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Shower(s) of snow, or of rain and snow.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-2.4 28	-0.6 31	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	Altocumulus cumulogenitus (or cumulonimbogenitus).	No Cirrus, Cirrocumulus or Cirrostratus.	60.0 37.3	-5.5 22	Trace of precipitation Trace of precipitation	9
	15	-1.7 29	731.7 28.81 975.52 975.52	767.9 30.23 1023.78 1023.78		77	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Snow shower(s), slight.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.				Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Less than 50 Less than 50			11.0 6.8	-5.2 23
	12	-2.0 28	731.5 28.8 975.25 975.25	767.8 30.23 1023.65 1023.65	0.4 0.02 0.53 0.53	76	Wind blowing from the north	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			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.			Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	200-300 656-984	Altostratus opacus or Nimbostratus.		40.0 24.9	-5.8 22
	09	-1.6 29	731.1 28.78 974.72 974.72	767.3 30.21 1022.98 1022.98		79	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-5.9 21	-1.6 29	Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	200-300 656-984	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	Cirrus spissatus cumulonimbogenitus.	50.0 31.1	-4.8 23	0.3 0.01	15
May 7, Thursday	21	-3.7 25	730.7 28.77 974.19 974.19	767.2 30.2 1022.85 1022.85		91	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Snow shower(s), moderate or heavy.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.				Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Less than 50 Less than 50			6.0 3.7	-5.0 23