Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for September 17, 2017

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	71 21.5	65 18.5	83 83	S 3 6	30.00 1016	10 16
12:35 am 00:35	Clear	72 22	66 18.7	82 82	SSE 6 9	30.00 1016	10 16
12:55 am 00:55	Clear	73 22.5	66 19.1	81 81	S 6 9	30.00 1016	10 16
1:15 am 01:15	Clear	73 22.7	67 19.3	81 81	S 6 9	30.00 1016	10 16
1:35 am 01:35	Clear	72 22.3	67 19.3	83 83	S 5 7	30.00 1016	10 16
1:55 am 01:55	Clear	71 21.8	67 19.2	85 85	S 5 7	30.00 1016	10 16
2:15 am 02:15	Clear	71 21.8	67 19.4	86 86	S 6 9	29.97 1015	10 16
2:35 am 02:35	Clear	71 21.9	67 19.5	86 86	S 6 9	29.97 1015	10 16
2:55 am 02:55	Clear	72 22.1	67 19.6	86 86	S 7 11	30.00 1016	10 16
3:15 am 03:15	Clear	71 21.8	67 19.5	87 87	SE 7 11	29.97 1015	10 16
3:35 am 03:35	Clear	71 21.7	67 19.6	88 88	SSW 6 9	30.00 1016	10 16
3:55 am 03:55	Clear	72 22.1	68 19.8	87 87	S 5 7	30.00 1016	10 16
4:15 am 04:15	Clear	72 22	67 19.7	87 87	S 3 6	30.00 1016	10 16
4:35 am 04:35	Clear	71 21.9	67 19.7	87 87	SSW 5 7	30.00 1016	10 16
4:55 am 04:55	Clear	71 21.6	68 19.8	90 90	Calm	30.00 1016	10 16
5:15 am 05:15	Clear	70 21	67 19.6	92 92	Calm	30.03 1017	10 16
5:35 am 05:35	Clear	69 20.7	67 19.7	94 94	Calm	30.03 1017	10 16
5:55 am 05:55	Clear	68 20.2	67 19.7	97 97	Calm	30.06 1018	10 16
6:15 am 06:15	Clear	68 20	67 19.6	98 98	Calm	30.06 1018	10 16
6:35 am 06:35	Clear	67 19.5	67 19.5	100 100	SE 3 6	30.09 1019	10 16
6:53 am 06:53	Cloudy	66 19	66 19	100 100	E 5 7	30.09 1019	10 16
7:54 am 07:54	Cloudy	70 21	68 20	94 94	VRB 5 7	30.06 1018	10 16
8:54 am 08:54	Mostly Cloudy	72 22	68 20	88 88	VRB 5 7	30.06 1018	10 16
9:59 am 09:59	Mostly Cloudy	79 26	68 20	70 70	NW 6 9	30.06 1018	10 16
10:50 am 10:50	Mostly Cloudy	81 27	68 20	66 66	E 8 13	30.09 1019	10 16
11:50 am 11:50	Cloudy	81 27	68 20	66 66	ESE 6 9	30.09 1019	10 16
12:50 pm 12:50	Cloudy	81 27	68 20	66 66	Calm	30.06 1018	10 16
1:54 pm 13:54	Cloudy	81 27	70 21	70 70	SW 7 11	30.06 1018	10 16
2:50 pm 14:50	Cloudy	79 26	68 20	70 70	WNW 9 15	30.03 1017	10 16
3:45 pm 15:45	Cloudy	79 26	68 20	70 70	WNW 6 9	30.03 1017	10 16
4:50 pm 16:50	Cloudy	77 25	70 21	79 79	NW 9 15	30.03 1017	10 16
5:50 pm 17:50	Partly Cloudy	75 24	68 20	78 78	NW 9 15	30.03 1017	10 16
6:46 pm 18:46	Mostly Cloudy	75 24	68 20	78 78	NW 9 15	30.03 1017	10 16
7:50 pm 19:50	Cloudy	73 23	68 20	83 83	NW 9 15	30.06 1018	10 16
8:45 pm 20:45	Cloudy	73 23	68 20	83 83	NW 6 9	30.06 1018	10 16
9:46 pm 21:46	Partly Cloudy	72 22	66 19	83 83	N 7 11	30.06 1018	10 16
10:15 pm 22:15	Partly Cloudy	71 21.6	67 19.4	87 87	Calm	30.06 1018	10 16
10:35 pm 22:35	Mostly Cloudy	71 21.4	67 19.3	88 88	Calm	30.06 1018	10 16
10:55 pm 22:55	Cloudy	70 21.1	67 19.3	90 90	Calm	30.06 1018	10 16
11:15 pm 23:15	Mostly Cloudy	70 21.1	66 19.1	88 88	Calm	30.06 1018	10 16
11:35 pm 23:35	Mostly Cloudy	70 21	66 19	88 88	Calm	30.06 1018	10 16
11:55 pm 23:55	Cloudy	70 20.9	66 19	89 89	Calm	30.06 1018	10 16