Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for August 31, 2017

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	66 18.8	63 17	89 89	Calm	30.06 1018	10 16
12:35 am 00:35	Clear	65 18.5	62 16.9	90 90	Calm	30.06 1018	10 16
12:55 am 00:55	Clear	65 18.5	62 16.8	90 90	Calm	30.06 1018	10 16
1:15 am 01:15	Clear	64 17.7	62 16.7	94 94	Calm	30.06 1018	10 16
1:35 am 01:35	Clear	63 17	62 16.5	97 97	Calm	30.06 1018	10 16
1:55 am 01:55	Clear	62 16.8	62 16.5	98 98	N 3 6	30.06 1018	10 16
2:15 am 02:15	Clear	62 16.9	61 16.3	96 96	Calm	30.06 1018	10 16
2:35 am 02:35	Clear	60 15.3	59 15.2	99 99	ESE 3 6	30.06 1018	10 16
2:55 am 02:55	Clear	60 15.7	60 15.7	100 100	Calm	30.06 1018	10 16
3:15 am 03:15	Clear	60 15.5	60 15.5	100 100	Calm	30.03 1017	10 16
3:35 am 03:35	Clear	62 16.4	61 16.1	98 98	Calm	30.03 1017	10 16
3:55 am 03:55	Clear	61 16.1	61 16	99 99	N 3 6	30.03 1017	10 16
4:15 am 04:15	Clear	60 15.8	60 15.8	100 100	N 3 6	30.03 1017	10 16
4:35 am 04:35	Clear	61 16	61 15.9	99 99	Calm	30.06 1018	10 16
4:55 am 04:55	Clear	61 16	61 15.9	99 99	Calm	30.06 1018	10 16
5:15 am 05:15	Clear	61 16.1	60 15.8	98 98	Calm	30.06 1018	10 16
5:35 am 05:35	Clear	61 16.3	60 15.8	97 97	Calm	30.06 1018	10 16
5:55 am 05:55	Clear	61 15.9	60 15.5	97 97	Calm	30.06 1018	10 16
6:15 am 06:15	Clear	61 16	60 15.6	97 97	Calm	30.09 1019	10 16
6:35 am 06:35	Sunny	61 16.2	60 15.8	97 97	NNE 3 6	30.09 1019	10 16
6:50 am 06:50	Mostly Cloudy	61 16	61 16	100 100	NNE 6 9	30.09 1019	10 16
7:50 am 07:50	Cloudy	63 17	61 16	94 94	NNE 7 11	30.09 1019	10 16
8:50 am 08:50	Cloudy	66 19	63 17	88 88	NE 7 11	30.09 1019	10 16
9:50 am 09:50	Cloudy	70 21	63 17	78 78	NNE 6 9	30.06 1018	10 16
10:50 am 10:50	Cloudy	73 23	64 18	74 74	NE 6 9	30.06 1018	10 16
11:50 am 11:50	Cloudy	75 24	63 17	65 65	NE 6 9	30.06 1018	10 16
12:45 pm 12:45	Cloudy	77 25	63 17	61 61	ENE 12 19	30.03 1017	10 16
1:45 pm 13:45	Cloudy	79 26	63 17	58 58	NE 14 22	30.03 1017	10 16
2:45 pm 14:45	Cloudy	77 25	63 17	61 61	NE 14 22	30.00 1016	10 16
3:55 pm 15:55	Cloudy	77 25	66 19	69 69	N 14 22	29.97 1015	10 16
4:50 pm 16:50	Cloudy	75 24	64 18	69 69	NNE 14 22	29.97 1015	10 16
5:53 pm 17:53	Cloudy	75 24	64 18	69 69	NNE 14 22	29.97 1015	10 16
6:52 pm 18:52	Cloudy	73 23	64 18	74 74	NNE 12 19	29.97 1015	10 16
7:50 pm 19:50	Cloudy	72 22	64 18	78 78	NNE 12 19	29.97 1015	10 16
8:56 pm 20:56	Mostly Cloudy	70 21	61 16	73 73	NNE 9 15	29.97 1015	10 16
9:52 pm 21:52	Mostly Cloudy	68 20	61 16	78 78	N 9 15	29.97 1015	10 16
10:15 pm 22:15	Clear	67 19.7	61 16	79 79	N 6 9	29.97 1015	10 16
10:35 pm 22:35	Clear	67 19.4	61 16.2	82 82	NNE 7 11	29.97 1015	10 16
10:55 pm 22:55	Clear	66 19	62 16.5	86 86	NNE 8 13	30.03 1017	10 16
11:15 pm 23:15	Clear	66 18.7	62 16.5	87 87	NNE 6 9	30.03 1017	10 16
11:35 pm 23:35	Clear	65 18.3	62 16.5	89 89	NNE 6 9	30.00 1016	10 16
11:55 pm 23:55	Clear	65 18.1	61 16.2	89 89	N 7 11	30.00 1016	10 16