IEM :: Observation History

04 September 2026 Observation History, [BOS] BOSTON/LOGAN INTL, timezone: America/New_York

Time	Wind (mph)	Vis. (mi.)	Sky Cond. (100s ft)	Present Wx	Temperature (ºF)					Relative Humidity	Pressure		Precipitation (in.)
					Air	Dwpt	Feels Like	6 hour			altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
					Air	Dwpt	Feels Like	Max.	Min.		altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
12:00 AM	E 5	10	CLR								29.87		M	M	M
KBOS 040400Z AUTO 08004KT 10SM CLR A2987 RMK T0190 MADISHF
12:05 AM	E 3	10	CLR								29.87		M	M	M
KBOS 040405Z AUTO 09003KT 10SM CLR A2987 RMK T0190 MADISHF
12:10 AM	ENE 3	10	FEW009								29.87		M	M	M
KBOS 040410Z AUTO 07003KT 10SM FEW009 A2987 RMK T0190 MADISHF
12:13 AM	ENE 5	9	BKN009 OVC250		66	64	66			93	29.87		0.00	M	M
KBOS 040413Z 07004KT 9SM BKN009 OVC250 19/18 A2987 RMK AO2 T01890178
12:15 AM	ENE 6	8	BKN009								29.87		M	M	M
KBOS 040415Z AUTO 07005KT 7SM BKN009 A2987 RMK T0190 MADISHF
12:20 AM	E 5	8	BKN009								29.87		M	M	M
KBOS 040420Z AUTO 09004KT 7SM BKN009 A2987 RMK T0190 MADISHF
12:25 AM	NE 8	8	BKN009								29.87		M	M	M
KBOS 040425Z AUTO 05007KT 7SM BKN009 A2987 RMK T0190 MADISHF
12:30 AM	NNE 8	8	BKN009								29.87		M	M	M
KBOS 040430Z AUTO 03007KT 7SM BKN009 A2987 RMK T0190 MADISHF
12:35 AM	NE 6	8	BKN009								29.87		M	M	M
KBOS 040435Z AUTO 05005KT 7SM BKN009 19/18 A2987 RMK T01900180 MADISHF
12:40 AM	ENE 7	8	BKN009								29.87		M	M	M
KBOS 040440Z AUTO 07006KT 7SM BKN009 19/18 A2987 RMK T01900180 MADISHF
12:45 AM	ENE 6	8	BKN009								29.86		M	M	M
KBOS 040445Z AUTO 06005KT 7SM BKN009 A2986 RMK T0190 MADISHF
12:50 AM	ENE 7	8	BKN009								29.87		M	M	M
KBOS 040450Z AUTO 07006KT 7SM BKN009 19/19 A2987 RMK T01900190 MADISHF
12:50 AM	ENE 7	8	BKN009								29.87		M	M	M
KBOS 040450Z AUTO 07006KT 7SM BKN009 A2987 RMK T0190 MADISHF
12:54 AM	ENE 6	8	BKN009 OVC250		67	66	67			97	29.87	1011.3	0.00	M	M
KBOS 040454Z 07005KT 8SM BKN009 OVC250 19/19 A2987 RMK AO2 SLP113 T01940189 402280172
1:00 AM	E 6	8	OVC011								29.86		M	M	M
KBOS 040500Z AUTO 08005KT 7SM OVC011 A2986 RMK T0190 MADISHF
1:01 AM	E 7	9	OVC011		67	66	67			97	29.86		0.00	M	M
KBOS 040501Z 08006KT 9SM OVC011 19/19 A2986 RMK AO2 T01940189
1:05 AM	E 6	9	OVC011								29.86		M	M	M
KBOS 040505Z AUTO 09005KT 8SM OVC011 A2986 RMK T0190 MADISHF
1:10 AM	E 6	9	OVC011								29.86		M	M	M
KBOS 040510Z AUTO 08005KT 8SM OVC011 19/19 A2986 RMK T01900190 MADISHF
1:10 AM	E 6	9	OVC011								29.86		M	M	M
KBOS 040510Z AUTO 08005KT 8SM OVC011 A2986 RMK T0190 MADISHF
1:15 AM	ENE 6	8	OVC011								29.86		M	M	M
KBOS 040515Z AUTO 07005KT 7SM OVC011 A2986 RMK T0190 MADISHF
1:20 AM	ENE 5	8	OVC010								29.86		M	M	M
KBOS 040520Z AUTO 06004KT 7SM OVC010 A2986 RMK T0190 MADISHF
1:25 AM	NE 5	8	SCT005 OVC010								29.86		M	M	M
KBOS 040525Z AUTO 05004KT 7SM SCT005 OVC010 A2986 RMK T0190 MADISHF
1:26 AM	ENE 5	8	SCT005 OVC010		67	65	67			93	29.86		0.00	M	M
KBOS 040526Z 06004KT 8SM SCT005 OVC010 19/18 A2986 RMK AO2 T01940183
1:30 AM	ENE 3	8	BKN005 OVC010								29.85		M	M	M
KBOS 040530Z AUTO 07003KT 7SM BKN005 OVC010 19/19 A2985 RMK T01900190 MADISHF
1:30 AM	ENE 3	8	BKN005 OVC010								29.85		M	M	M
KBOS 040530Z AUTO 07003KT 7SM BKN005 OVC010 A2985 RMK T0190 MADISHF
1:34 AM	ENE 3	7	BKN005 OVC010		67	66	67			97	29.86		0.00	M	M
KBOS 040534Z 07003KT 7SM BKN005 OVC010 19/19 A2986 RMK AO2 T01940189
1:35 AM	ENE 5	7	BKN005 OVC010								29.85		M	M	M
KBOS 040535Z AUTO 07004KT 7SM BKN005 OVC010 A2985 RMK T0190 MADISHF
1:40 AM	E 3	7	BKN004 OVC010								29.85		M	M	M
KBOS 040540Z AUTO 08003KT 7SM BKN004 OVC010 A2985 RMK T0190 MADISHF
1:45 AM	ENE 3	8	OVC004		67	66	67			97	29.85		0.00	M	M
KBOS 040545Z 06003KT 8SM OVC004 19/19 A2985 RMK AO2 T01940189
1:45 AM	ENE 5	8	OVC004								29.85		M	M	M
KBOS 040545Z AUTO 06004KT 7SM OVC004 A2985 RMK T0190 MADISHF
1:54 AM	ENE 6	10	OVC003		67	65	67	68	66	93	29.85	1010.6	0.00	M	M
KBOS 040554Z 07005KT 10SM OVC003 19/18 A2985 RMK AO2 SLP106 T01940183 10200 20189 58009
1:55 AM	ENE 7	10	OVC003								29.85		M	M	M
KBOS 040555Z AUTO 07006KT 10SM OVC003 19/18 A2985 RMK T01900180 MADISHF
2:00 AM	NE 5	10	OVC003								29.84		M	M	M
KBOS 040600Z AUTO 05004KT 10SM OVC003 19/18 A2984 RMK T01900180 MADISHF
2:05 AM	ENE 6	10	OVC003								29.84		M	M	M
KBOS 040605Z AUTO 06005KT 10SM OVC003 A2984 RMK T0190 MADISHF
2:10 AM	ENE 5	10	OVC003								29.84		M	M	M
KBOS 040610Z AUTO 07004KT 10SM OVC003 A2984 RMK T0190 MADISHF
2:15 AM	ENE 3	8	OVC003								29.83		M	M	M
KBOS 040615Z AUTO 07003KT 7SM OVC003 A2983 RMK T0190 MADISHF
2:20 AM	ENE 3	7	OVC003								29.83		M	M	M
KBOS 040620Z AUTO 07003KT 7SM OVC003 A2983 RMK T0190 MADISHF
2:25 AM	E 5	7	OVC003								29.83		M	M	M
KBOS 040625Z AUTO 09004KT 7SM OVC003 A2983 RMK T0190 MADISHF
2:30 AM	E 5	7	OVC002								29.83		M	M	M
KBOS 040630Z AUTO 10004KT 7SM OVC002 19/18 A2983 RMK T01900180 MADISHF
2:30 AM	E 5	7	OVC002								29.83		M	M	M
KBOS 040630Z AUTO 10004KT 7SM OVC002 A2983 RMK T0190 MADISHF
2:35 AM	E 3	7	OVC002								29.83		M	M	M
KBOS 040635Z AUTO 09003KT 7SM OVC002 19/18 A2983 RMK T01900180 MADISHF
2:40 AM	E 3	6	OVC002	BR							29.83		M	M	M
KBOS 040640Z AUTO 10003KT 6SM BR OVC002 A2983 RMK T0190 MADISHF
2:50 AM	Calm	6	OVC002	BR							29.83		M	M	M
KBOS 040650Z AUTO 00000KT 6SM BR OVC002 19/18 A2983 RMK T01900180 MADISHF
2:50 AM	Calm	6	OVC002	BR							29.83		M	M	M
KBOS 040650Z AUTO 00000KT 6SM BR OVC002 A2983 RMK T0190 MADISHF
2:54 AM	Calm	6	OVC002	BR	66	65	66			97	29.83	1010.1	0.00	M	M
KBOS 040654Z 00000KT 6SM BR OVC002 19/18 A2983 RMK AO2 SLP101 T01890183
2:55 AM	Calm	6	OVC003	BR							29.83		M	M	M
KBOS 040655Z AUTO 00000KT 6SM BR OVC003 A2983 RMK T0190 MADISHF
3:00 AM	Calm	6	OVC003	BR							29.83		M	M	M
KBOS 040700Z AUTO 00000KT 6SM BR OVC003 19/18 A2983 RMK T01900180 MADISHF
3:00 AM	Calm	6	OVC003	BR							29.83		M	M	M
KBOS 040700Z AUTO 00000KT 6SM BR OVC003 A2983 RMK T0190 MADISHF
3:05 AM	Calm	6	OVC003	BR							29.83		M	M	M
KBOS 040705Z AUTO 00000KT 6SM BR OVC003 A2983 RMK T0190 MADISHF
3:10 AM	Calm	6	OVC003	BR							29.83		M	M	M
KBOS 040710Z AUTO 00000KT 6SM BR OVC003 A2983 RMK T0190 MADISHF
3:15 AM	Calm	5	OVC003	BR							29.83		M	M	M
KBOS 040715Z AUTO 00000KT 5SM BR OVC003 A2983 RMK T0190 MADISHF
3:20 AM	ESE 3	5	OVC003	BR							29.83		M	M	M
KBOS 040720Z AUTO 12003KT 5SM BR OVC003 19/18 A2983 RMK T01900180 MADISHF
3:20 AM	ESE 3	5	OVC003	BR							29.83		M	M	M
KBOS 040720Z AUTO 12003KT 5SM BR OVC003 A2983 RMK T0190 MADISHF
3:25 AM	Calm	4	OVC003	BR							29.83		M	M	M
KBOS 040725Z AUTO 00000KT 3SM BR OVC003 19/18 A2983 RMK T01900180 VIS 2 1/2 E MADISHF
3:30 AM	Calm	1.5	OVC003	BR	66	65	66			97	29.83		0.00	M	M
KBOS 040730Z 00000KT 1 1/2SM R04R/5000VP6000FT BR OVC003 19/18 A2983 RMK AO2 T01890183
3:30 AM	Calm	1.5	OVC003	BR							29.83		M	M	M
KBOS 040730Z AUTO 00000KT 1 1/2SM BR OVC003 19/18 A2983 RMK T01900180 MADISHF
3:35 AM	Calm	1.5	OVC003	BR							29.83		M	M	M
KBOS 040735Z AUTO 00000KT 1 1/2SM BR OVC003 A2983 RMK T0190 MADISHF
3:40 AM	Calm	1.5	OVC002	BR							29.82		M	M	M
KBOS 040740Z AUTO 00000KT 1 1/2SM BR OVC002 A2982 RMK T0190 MADISHF
3:45 AM	Calm	1.5	OVC002	BR							29.82		M	M	M
KBOS 040745Z AUTO 00000KT 1 1/2SM BR OVC002 A2982 RMK T0190 MADISHF
3:50 AM	Calm	0.5	VV 002	FG							29.82		M	M	M
KBOS 040750Z AUTO 00000KT 1/2SM FG VV002 19/18 A2982 RMK T01900180 MADISHF
3:54 AM	Calm	0.5	VV 002	FG	66	65	66			97	29.82	1009.7	0.00	M	M
KBOS 040754Z 00000KT 1/2SM R04R/2000V2600FT FG VV002 19/18 A2982 RMK AO2 SLP097 T01890183
4:00 AM	Calm	0.5	VV 002	FG							29.82		M	M	M
KBOS 040800Z AUTO 00000KT 1/2SM FG VV002 A2982 RMK T0190 MADISHF
4:05 AM	Calm	0.5	VV 002	FG							29.82		M	M	M
KBOS 040805Z AUTO 00000KT 1/2SM FG VV002 A2982 RMK T0190 MADISHF
4:10 AM	Calm	0.5	VV 002	FG							29.82		M	M	M
KBOS 040810Z AUTO 00000KT 1/2SM FG VV002 A2982 RMK T0190 MADISHF
4:15 AM	Calm	0.5	VV 002	FG							29.82		M	M	M
KBOS 040815Z AUTO 00000KT 1/2SM FG VV002 A2982 RMK T0190 MADISHF
4:20 AM	Calm	0.5	VV 002	FG							29.82		M	M	M
KBOS 040820Z AUTO 00000KT 1/2SM FG VV002 A2982 RMK T0190 MADISHF
4:25 AM	Calm	0.5	VV 002	FG							29.81		M	M	M
KBOS 040825Z AUTO 00000KT 1/2SM FG VV002 A2981 RMK T0190 MADISHF
4:30 AM	Calm	0.5	VV 002	FG							29.81		M	M	M
KBOS 040830Z AUTO 00000KT 1/2SM FG VV002 19/18 A2981 RMK T01900180 MADISHF
4:30 AM	Calm	0.5	VV 002	FG							29.81		M	M	M
KBOS 040830Z AUTO 00000KT 1/2SM FG VV002 A2981 RMK T0190 MADISHF
4:35 AM	Calm	0.5	VV 002	FG							29.81		M	M	M
KBOS 040835Z AUTO 00000KT 1/2SM FG VV002 A2981 RMK T0190 MADISHF
4:40 AM	Calm	0.25	VV 002	FG							29.81		M	M	M
KBOS 040840Z AUTO 00000KT 1/4SM FG VV002 A2981 RMK T0190 MADISHF
4:44 AM	Calm	0.25	VV 002	FG	66	66	66			100	29.81		0.00	M	M
KBOS 040844Z 00000KT 1/4SM R04R/2200V4000FT FG VV002 19/19 A2981 RMK AO2 T01890189
4:45 AM	Calm	0.25	VV 002	FG							29.81		M	M	M
KBOS 040845Z AUTO 00000KT 1/4SM FG VV002 A2981 RMK T0190 MADISHF
4:50 AM	NNE 3	0.25	VV 002	FG							29.81		M	M	M
KBOS 040850Z AUTO 03003KT 1/4SM FG VV002 19/18 A2981 RMK T01900180 MADISHF
4:54 AM	Calm	0.25	VV 002	FG	66	65	66			97	29.81	1009.4	0.00	M	M
KBOS 040854Z 00000KT 1/4SM R04R/1800V2200FT FG VV002 19/18 A2981 RMK AO2 SLP094 T01890183 56012
5:00 AM	Calm	0.25	VV 002	FG							29.82		M	M	M
KBOS 040900Z AUTO 00000KT 1/4SM FG VV002 A2982 RMK T0190 MADISHF
5:05 AM	NNE 3	0.25	VV 002	FG							29.81		M	M	M
KBOS 040905Z AUTO 03003KT 1/4SM FG VV002 A2981 RMK T0190 MADISHF
5:10 AM	NNE 3	0.25	VV 002	FG							29.81		M	M	M
KBOS 040910Z AUTO 03003KT 1/4SM FG VV002 A2981 RMK T0190 MADISHF
5:15 AM	NNE 3	0.25	VV 002	FG							29.81		M	M	M
KBOS 040915Z AUTO 02003KT 1/4SM FG VV002 19/18 A2981 RMK T01900180 MADISHF
5:25 AM	NNW 3	0.5	VV 002	FG	66	66	66			100	29.81		0.00	M	M
KBOS 040925Z 34003KT 1/2SM R04R/2000V3500FT FG VV002 19/19 A2981 RMK AO2 T01890189

API: The IEM API webservice that provided data to this page. For more details, see documentation.

Data Notes

For recent years, this page also optionally shows observations from the MADIS High Frequency METAR dataset. This dataset had a problem with temperatures detailed here.