Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for August 20, 2017

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Partly Cloudy	70 21	70 21	100 100	Calm	29.94 1014	10 16
12:35 am 00:35	Partly Cloudy	69 20.7	69 20.7	100 100	Calm	29.94 1014	10 16
12:55 am 00:55	Mostly Cloudy	70 21.1	70 21	99 99	Calm	29.94 1014	10 16
1:15 am 01:15	Cloudy	70 21.1	70 21.1	100 100	Calm	29.94 1014	10 16
1:35 am 01:35	Mostly Cloudy	70 21.3	70 21.3	100 100	Calm	29.94 1014	10 16
1:55 am 01:55	Partly Cloudy	71 21.4	69 20.8	96 96	NE 3 6	29.94 1014	10 16
2:15 am 02:15	Clear	69 20.6	69 20.6	100 100	E 3 6	29.94 1014	10 16
2:35 am 02:35	Clear	69 20.5	69 20.5	100 100	E 3 6	29.94 1014	10 16
2:55 am 02:55	Clear	67 19.7	67 19.7	100 100	ENE 3 6	29.94 1014	10 16
3:15 am 03:15	Clear	67 19.6	67 19.6	100 100	Calm	29.94 1014	10 16
3:35 am 03:35	Clear	67 19.3	67 19.3	100 100	SE 3 6	29.94 1014	10 16
3:55 am 03:55	Clear	67 19.7	67 19.7	100 100	Calm	29.94 1014	10 16
4:15 am 04:15	Clear	67 19.6	67 19.6	100 100	Calm	29.94 1014	10 16
4:35 am 04:35	Clear	67 19.3	67 19.3	100 100	Calm	29.94 1014	10 16
4:55 am 04:55	Clear	67 19.2	67 19.2	100 100	Calm	29.94 1014	10 16
5:15 am 05:15	Clear	66 19	66 19	100 100	Calm	29.97 1015	7 11
5:35 am 05:35	Clear	65 18.4	65 18.4	100 100	SE 5 7	30.00 1016	7 11
5:55 am 05:55	Clear	66 18.8	66 18.8	100 100	Calm	30.00 1016	7 11
6:15 am 06:15	Clear	66 18.9	66 18.9	100 100	Calm	29.97 1015	7 11
6:35 am 06:35	Sunny	66 18.7	66 18.7	100 100	Calm	30.00 1016	7 11
6:52 am 06:52	Cloudy	66 19	66 19	100 100	VRB 5 7	29.97 1015	10 16
7:50 am 07:50	Mostly Cloudy	70 21	70 21	100 100	VRB 5 7	30.00 1016	10 16
8:52 am 08:52	Mostly Cloudy	77 25	73 23	89 89	SW 6 9	30.00 1016	10 16
9:51 am 09:51	Mostly Cloudy	81 27	73 23	79 79	SSE 6 9	30.00 1016	10 16
10:50 am 10:50	Cloudy	79 26	73 23	84 84	W 12 19	30.03 1017	10 16
11:45 am 11:45	Cloudy	82 28	68 20	62 62	NNW 12 19	30.03 1017	10 16
12:45 pm 12:45	Cloudy	82 28	70 21	66 66	N 9 15	30.03 1017	10 16
1:45 pm 13:45	Mostly Cloudy	84 29	72 22	66 66	N 5 7	30.00 1016	10 16
2:45 pm 14:45	Mostly Cloudy	86 30	75 24	70 70	SE 8 13	29.97 1015	10 16
3:45 pm 15:45	Mostly Cloudy	88 31	73 23	62 62	SE 7 11	29.94 1014	10 16
4:45 pm 16:45	Partly Cloudy	90 32	73 23	59 59	S 12 19	29.97 1015	10 16
5:50 pm 17:50	Partly Cloudy	86 30	75 24	70 70	S 12 19	29.97 1015	10 16
6:50 pm 18:50	Partly Cloudy	84 29	77 25	79 79	S 12 19	29.97 1015	10 16
7:50 pm 19:50	Partly Cloudy	81 27	75 24	84 84	S 7 11	29.97 1015	10 16
8:50 pm 20:50	Mostly Clear	77 25	75 24	94 94	SSE 6 9	29.97 1015	10 16
9:46 pm 21:46	Mostly Clear	79 26	73 23	84 84	SSE 6 9	30.00 1016	10 16
10:15 pm 22:15	Clear	78 25.3	74 23.2	88 88	SSE 5 7	30.03 1017	10 16
10:35 pm 22:35	Clear	76 24.5	74 23.1	92 92	Calm	30.03 1017	10 16
10:55 pm 22:55	Clear	76 24.2	73 22.8	92 92	SSE 5 7	30.03 1017	10 16
11:15 pm 23:15	Clear	76 24.7	73 22.9	90 90	S 6 9	30.03 1017	10 16
11:35 pm 23:35	Clear	76 24.6	73 22.9	90 90	SSW 7 11	30.03 1017	10 16
11:55 pm 23:55	Clear	77 25.1	74 23.2	89 89	S 6 9	30.03 1017	10 16