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)

Cloudy

68.0 F

Humidity:	83%
Wind Speed:	8.1 mph
Barometer:	30.05 in
Dewpoint:	62.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 21 2026, 09:15 PM 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)
09:15 PM CDT	8.1	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.05	1017.6
09:00 PM CDT	6.9	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.05	1017.6
08:50 PM CDT	8.1	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.05	1017.6
08:40 PM CDT	6.9	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.05	1017.6
08:35 PM CDT	9.2	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.05	1017.6
08:25 PM CDT	8.1	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.04	1017.3
08:20 PM CDT	8.1	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.04	1017.3
08:10 PM CDT	8.1	10.00	Cloudy	--	68.0	62.6	83%	NA	NA	30.04	1017.3
07:54 PM CDT	8.1	10.00	Cloudy	--	69.1	63.0	81%	NA	NA	30.03	1016.9
07:50 PM CDT	8.1	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.03	1016.9
07:45 PM CDT	9.2	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.03	1016.9
07:40 PM CDT	9.2	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.02	1016.6
07:35 PM CDT	6.9	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.02	1016.6
07:25 PM CDT	8.1	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.02	1016.6
07:20 PM CDT	9.2	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.02	1016.6
07:15 PM CDT	6.9	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.02	1016.6
07:10 PM CDT	6.9	10.00	Cloudy	--	69.8	62.6	78%	NA	NA	30.02	1016.6
07:00 PM CDT	6.9	10.00	Cloudy	--	69.8	64.4	83%	NA	NA	30.03	1016.9
06:45 PM CDT	5.7	10.00	Cloudy	--	69.8	64.4	83%	NA	NA	30.02	1016.6
06:40 PM CDT	8.1	10.00	Cloudy	--	69.8	64.4	83%	NA	NA	30.02	1016.6
06:35 PM CDT	9.2	10.00	Cloudy	--	69.8	64.4	83%	NA	NA	30.02	1016.6
06:25 PM CDT	8.1	10.00	Cloudy	--	69.8	64.4	83%	NA	NA	30.01	1016.3
06:10 PM CDT	9.2	10.00	Mostly Cloudy	--	71.6	64.4	78%	NA	72.1	30.02	1016.6
06:05 PM CDT	8.1	10.00	Mostly Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
06:00 PM CDT	8.1	10.00	Mostly Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:50 PM CDT	6.9	10.00	Mostly Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:45 PM CDT	6.9	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:40 PM CDT	5.7	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:35 PM CDT	5.7	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:31 PM CDT	8.1	10.00	Cloudy	--	71.1	64.0	79%	NA	71.6	30.01	1016.3
05:25 PM CDT	9.2	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:15 PM CDT	6.9	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:10 PM CDT	8.1	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
05:05 PM CDT	9.2	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
04:54 PM CDT	5.8	10.00	Cloudy	--	71.1	64.9	81%	NA	71.6	30.00	1015.9
04:50 PM CDT	6.9	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.00	1015.9
04:40 PM CDT	6.9	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.00	1015.9
04:35 PM CDT	8.1	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
04:30 PM CDT	8.1	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
04:20 PM CDT	NE 5.7	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
04:15 PM CDT	NE 4.6	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
04:10 PM CDT	3.4	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
04:05 PM CDT	NE 4.6	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
03:54 PM CDT	3.4	10.00	Cloudy	--	71.1	66.0	84%	NA	71.8	30.01	1016.3
03:40 PM CDT	NE 8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
03:35 PM CDT	NE 8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
03:20 PM CDT	5.7	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
03:10 PM CDT	5.7	10.00	Cloudy	--	71.6	64.4	78%	NA	72.1	30.01	1016.3
03:05 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
03:00 PM CDT	9.2	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
02:45 PM CDT	6.9	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.01	1016.3
02:10 PM CDT	6.9	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
02:00 PM CDT	4.6	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
01:50 PM CDT	6.9	5.00	Fog/Mist	--	69.8	66.2	88%	NA	NA	30.02	1016.6
01:40 PM CDT	5.7	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
01:35 PM CDT	NW 5.7	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
01:30 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.03	1016.9
01:25 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.03	1016.9
01:20 PM CDT	9.2	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
01:10 PM CDT	NW 6.9	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
01:05 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:50 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:45 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:40 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:35 PM CDT	5.7	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:30 PM CDT	6.9	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:25 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:20 PM CDT	8.1	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:15 PM CDT	9.2	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:05 PM CDT	6.9	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
12:00 PM CDT	6.9	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6
11:50 AM CDT	5.7	10.00	Cloudy	--	71.6	66.2	83%	NA	72.3	30.02	1016.6