Herculaneum, MO Current Weather Conditions

Current weather observations and 72-hour history for Herculaneum, MO. • View 5-Day Forecast ›

▼Current Conditions — Herculaneum, MO

ST LOUIS/SPIRIT (KSUS)

Clear

46.4 F

Humidity:	76%
Wind Speed:	0.0 mph
Barometer:	30.46 in
Dewpoint:	39.2 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 17 2026, 07:25 PM CDT

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▼Hourly Observation History — Herculaneum, MO

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
07:25 PM CDT	0.0	10.00	Clear	--	46.4	39.2	76%	NA	NA	30.46	1031.5
06:55 PM CDT	0.0	10.00	Clear	--	48.2	37.4	66%	NA	NA	30.46	1031.5
06:54 PM CDT	0.0	10.00	Clear	--	NULL	37.9	%	NA	NA	30.46	1031.5
06:25 PM CDT	3.4	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.45	1031.2
06:10 PM CDT	0.0	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.45	1031.2
06:05 PM CDT	0.0	10.00	Clear	--	53.6	39.2	58%	NA	NA	30.46	1031.5
06:00 PM CDT	0.0	10.00	Clear	--	55.4	33.8	44%	NA	NA	30.46	1031.5
05:50 PM CDT	E 3.4	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.46	1031.5
05:40 PM CDT	E 3.4	10.00	Clear	--	57.2	33.8	41%	NA	NA	30.46	1031.5
05:35 PM CDT	0.0	10.00	Clear	--	57.2	33.8	41%	NA	NA	30.46	1031.5
05:20 PM CDT	0.0	10.00	Clear	--	57.2	32.0	38%	NA	NA	30.46	1031.5
05:10 PM CDT	0.0	10.00	Clear	--	57.2	32.0	38%	NA	NA	30.46	1031.5
05:05 PM CDT	0.0	10.00	Clear	--	57.2	30.2	36%	NA	NA	30.46	1031.5
04:50 PM CDT	3.4	10.00	Clear	--	59.0	32.0	36%	NA	NA	30.46	1031.5
04:45 PM CDT	0.0	10.00	Clear	--	57.2	32.0	38%	NA	NA	30.46	1031.5
04:40 PM CDT	E 4.6	10.00	Clear	--	59.0		%	NA	NA	30.46	1031.5
04:30 PM CDT	0.0	10.00	Clear	--	59.0	30.2	33%	NA	NA	30.47	1031.8
04:20 PM CDT	0.0	10.00	Clear	--	59.0		%	NA	NA	30.47	1031.8
04:10 PM CDT	0.0	10.00	Clear	--	59.0	30.2	33%	NA	NA	30.47	1031.8
04:05 PM CDT	E 3.4	10.00	Clear	--	59.0	30.2	33%	NA	NA	30.47	1031.8
03:50 PM CDT	4.6	10.00	Clear	--	59.0	32.0	36%	NA	NA	30.47	1031.8
03:45 PM CDT	4.6	10.00	Clear	--	59.0	33.8	39%	NA	NA	30.47	1031.8
03:35 PM CDT	SW 3.4	10.00	Clear	--	59.0	33.8	39%	NA	NA	30.48	1032.2
03:30 PM CDT	0.0	10.00	Clear	--	59.0	33.8	39%	NA	NA	30.48	1032.2
03:10 PM CDT	0.0	10.00	Clear	--	57.2	33.8	41%	NA	NA	30.48	1032.2
03:00 PM CDT	0.0	10.00	Clear	--	57.2	32.0	38%	NA	NA	30.48	1032.2
02:50 PM CDT	0.0	10.00	Clear	--	57.2	33.8	41%	NA	NA	30.49	1032.5
02:10 PM CDT	0.0	10.00	Clear	--	57.2	33.8	41%	NA	NA	30.51	1033.2
02:00 PM CDT	SE 4.6	10.00	Clear	--	57.2	35.6	44%	NA	NA	30.51	1033.2
01:55 PM CDT	0.0	10.00	Clear	--	57.2	33.8	41%	NA	NA	30.52	1033.5
01:45 PM CDT	3.4	10.00	Clear	--	57.2	35.6	44%	NA	NA	30.52	1033.5
01:40 PM CDT	0.0	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.52	1033.5
01:30 PM CDT	3.4	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.52	1033.5
01:20 PM CDT	3.4	10.00	Clear	--	55.4	33.8	44%	NA	NA	30.53	1033.9
01:00 PM CDT	6.9	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.54	1034.2
12:55 PM CDT		10.00	Clear	--	55.4	35.6	47%	NA	NA	30.54	1034.2
12:45 PM CDT	0.0	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.55	1034.5
12:40 PM CDT	0.0	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.55	1034.5
12:30 PM CDT	SW 4.6	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.55	1034.5
12:20 PM CDT	0.0	10.00	Clear	--	53.6	35.6	50%	NA	NA	30.55	1034.5
12:00 PM CDT	SE 5.7	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:50 AM CDT	4.6	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:40 AM CDT	SE 3.4	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:30 AM CDT	4.6	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:20 AM CDT	0.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
11:10 AM CDT	0.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
11:05 AM CDT	NE 3.4	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
10:55 AM CDT	0.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
10:50 AM CDT	3.4	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
10:45 AM CDT	0.0	10.00	Clear	--	50.0	37.4	62%	NA	NA	30.57	1035.2
10:40 AM CDT	0.0	10.00	Clear	--	50.0	37.4	62%	NA	NA	30.57	1035.2
10:30 AM CDT	0.0	10.00	Clear	--	50.0	37.4	62%	NA	NA	30.57	1035.2
10:25 AM CDT	NE 4.6	10.00	Clear	--	51.8	39.2	62%	NA	NA	30.58	1035.6
10:15 AM CDT	SE 3.4	10.00	Clear	--	50.0	39.2	66%	NA	NA	30.58	1035.6
10:10 AM CDT	E 3.4	10.00	Clear	--	48.2	39.2	71%	47.3	NA	30.58	1035.6
10:00 AM CDT	0.0	10.00	Clear	--	48.2	37.4	66%	NA	NA	30.58	1035.6
09:50 AM CDT	NE 4.6	10.00	Clear	--	48.2	37.4	66%	46.4	NA	30.58	1035.6
09:35 AM CDT	3.4	10.00	Clear	--	46.4	37.4	71%	45.1	NA	30.57	1035.2
09:30 AM CDT	NE 3.4	10.00	Clear	--	46.4	37.4	71%	45.1	NA	30.57	1035.2
09:20 AM CDT	4.6	10.00	Clear	--	46.4	39.2	76%	44.2	NA	30.57	1035.2
09:15 AM CDT	NE 3.4	10.00	Clear	--	46.4	39.2	76%	45.1	NA	30.57	1035.2
09:10 AM CDT	4.6	10.00	Clear	--	46.4	37.4	71%	44.2	NA	30.57	1035.2
09:05 AM CDT	4.6	10.00	Clear	--	46.4	39.2	76%	44.2	NA	30.57	1035.2
09:00 AM CDT	4.6	10.00	Clear	--	46.4	39.2	76%	44.2	NA	30.57	1035.2
08:45 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.57	1035.2
08:40 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.57	1035.2
08:35 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.57	1035.2
08:30 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.56	1034.9
08:25 AM CDT	3.4	10.00	Clear	--	44.6	39.2	81%	43.2	NA	30.56	1034.9
08:10 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.56	1034.9
08:05 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.56	1034.9
07:45 AM CDT	3.4	10.00	Clear	--	39.2	37.4	93%	37.0	NA	30.55	1034.5