Weather archive in Grimsstadir

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 May 9, Saturday	15	0.3 33	732.4 28.83 976.45 976.45	768.4 30.25 1024.45 1024.45		55	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	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.	71.0 44.1	-7.9 18
	12	-0.3 31	732.9 28.85 977.12 977.12	769.0 30.28 1025.25 1025.25		64	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas						Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	2000-2500 6562-8202	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-6.3 21
	09	-2.3 28	732.9 28.85 977.12 977.12	769.3 30.29 1025.65 1025.65		74	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-10.5 13	-0.9 30	Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-6.3 21	Trace of precipitation Trace of precipitation	15
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