Arnold, MO Current Weather Conditions

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

▼Current Conditions — Arnold, MO

ST LOUIS/SPIRIT (KSUS)

Clear

84.0 F

Humidity:	63%
Wind Speed:	0.0 mph
Barometer:	30.08 in
Dewpoint:	70.0 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	88.3 F
Wind Chill:	NA

Aug 8 2026, 11:54 AM CDT

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▼Hourly Observation History — Arnold, 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)
11:54 AM CDT	0.0	10.00	Clear	--	84.0	70.0	63%	NA	88.3	30.08	1018.6
11:50 AM CDT	0.0	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
11:40 AM CDT	0.0	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
11:30 AM CDT	3.4	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
11:25 AM CDT	0.0	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
11:20 AM CDT	3.4	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
11:15 AM CDT	0.0	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
11:05 AM CDT	S 3.4	10.00	Clear	--	80.6	71.6	74%	NA	84.6	30.08	1018.6
11:00 AM CDT	S 3.4	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.08	1018.6
10:50 AM CDT	0.0	10.00	Clear	--	80.6	69.8	70%	NA	83.8	30.08	1018.6
10:45 AM CDT	W 4.6	10.00	Clear	--	80.6	71.6	74%	NA	84.6	30.08	1018.6
10:35 AM CDT	0.0	10.00	Clear	--	80.6	69.8	70%	NA	83.8	30.08	1018.6
10:20 AM CDT	3.4	10.00	Clear	--	80.6	71.6	74%	NA	84.6	30.08	1018.6
10:15 AM CDT	4.6	10.00	Clear	--	80.6	71.6	74%	NA	84.6	30.08	1018.6
10:10 AM CDT	3.4	10.00	Clear	--	80.6	69.8	70%	NA	83.8	30.08	1018.6
10:00 AM CDT	W 3.4	10.00	Clear	--	80.6	69.8	70%	NA	83.8	30.07	1018.3
09:50 AM CDT	0.0	10.00	Clear	--	78.8	69.8	74%	NA	79.9	30.07	1018.3
09:45 AM CDT	W 3.4	10.00	Clear	--	78.8	69.8	74%	NA	79.9	30.07	1018.3
09:35 AM CDT	4.6	10.00	Clear	--	78.8	69.8	74%	NA	79.9	30.07	1018.3
09:25 AM CDT	5.7	10.00	Clear	--	78.8	69.8	74%	NA	79.9	30.07	1018.3
09:20 AM CDT	SW 5.7	10.00	Clear	--	77.0	69.8	78%	NA	78.1	30.08	1018.6
09:10 AM CDT	5.7	10.00	Clear	--	77.0	69.8	78%	NA	78.1	30.08	1018.6
09:00 AM CDT	0.0	10.00	Clear	--	75.2	69.8	83%	NA	76.3	30.08	1018.6
08:50 AM CDT	0.0	10.00	Clear	--	75.2	69.8	83%	NA	76.3	30.08	1018.6
08:40 AM CDT	0.0	10.00	Clear	--	75.2	69.8	83%	NA	76.3	30.08	1018.6
08:35 AM CDT	0.0	10.00	Clear	--	75.2	68.0	78%	NA	76.1	30.08	1018.6
08:30 AM CDT	0.0	10.00	Clear	--	75.2	69.8	83%	NA	76.3	30.08	1018.6
08:20 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.08	1018.6
08:15 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.08	1018.6
08:10 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.08	1018.6
08:05 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.08	1018.6
08:00 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.08	1018.6
07:50 AM CDT	0.0	10.00	Clear	--	71.6	69.8	94%	NA	72.9	30.08	1018.6
07:45 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.07	1018.3
07:35 AM CDT	0.0	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.07	1018.3
07:30 AM CDT	0.0	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.07	1018.3
07:25 AM CDT	0.0	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.07	1018.3
07:20 AM CDT	0.0	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.07	1018.3
07:15 AM CDT	0.0	10.00	Clear	--	69.8	68.0	94%	NA	NA	30.07	1018.3
07:10 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.06	1017.9
07:05 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.06	1017.9
06:54 AM CDT	3.4	10.00	Clear	--	68.0	66.0	93%	NA	NA	30.06	1018.0
06:50 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	30.05	1017.6
06:40 AM CDT	W 3.4	10.00	Clear	--	66.2	64.4	94%	NA	NA	30.05	1017.6
06:35 AM CDT	3.4	10.00	Clear	--	66.2	64.4	94%	NA	NA	30.05	1017.6
06:30 AM CDT	0.0	10.00	Clear	--	66.2	64.4	94%	NA	NA	30.05	1017.6
06:20 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	30.05	1017.6
06:15 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	30.04	1017.3
06:10 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	30.04	1017.3
06:00 AM CDT	SW 3.4	10.00	Clear	--	66.2	66.2	100%	NA	NA	30.04	1017.3
05:50 AM CDT	0.0	10.00	Clear	--	68.0	66.2	94%	NA	NA	30.04	1017.3
05:40 AM CDT	0.0	10.00	Clear	--	68.0	66.2	94%	NA	NA	30.04	1017.3
05:35 AM CDT	0.0	10.00	Clear	--	68.0	66.2	94%	NA	NA	30.04	1017.3
05:20 AM CDT	0.0	10.00	Clear	--	68.0	66.2	94%	NA	NA	30.04	1017.3
05:15 AM CDT	0.0	10.00	Clear	--	68.0	66.2	94%	NA	NA	30.04	1017.3
05:10 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.04	1017.3
05:05 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.04	1017.3
04:54 AM CDT	0.0	10.00	Clear	--	69.1	66.9	93%	NA	NA	30.04	1017.3
04:45 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.04	1017.3
04:40 AM CDT	0.0	10.00	Clear	--	71.6	66.2	83%	NA	72.3	30.04	1017.3
04:35 AM CDT	0.0	10.00	Clear	--	71.6	66.2	83%	NA	72.3	30.04	1017.3
04:20 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.03	1016.9
04:15 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.02	1016.6
04:10 AM CDT	0.0	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.02	1016.6
04:00 AM CDT	4.6	10.00	Clear	--	69.8	66.2	88%	NA	NA	30.02	1016.6
03:50 AM CDT	W 3.4	10.00	Clear	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
03:40 AM CDT	3.4	10.00	Clear	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
03:35 AM CDT	3.4	10.00	Clear	--	73.4	66.2	78%	NA	74.1	30.02	1016.6
03:30 AM CDT	SW 5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	30.02	1016.6
03:20 AM CDT	SW 5.7	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.02	1016.6
03:15 AM CDT	SW 4.6	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.02	1016.6
03:10 AM CDT	SW 5.7	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.02	1016.6