Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for September 20, 2022

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	73 23	72 22	94 94	ESE 3 6	29.97 1015	10 16
12:35 am 00:35	Clear	73 22.5	72 22	97 97	Calm	29.98 1015	10 16
12:55 am 00:55	Clear	72 22.2	72 22	99 99	E 3 6	29.98 1015	10 16
1:15 am 01:15	Clear	72 22.3	71 21.9	98 98	Calm	29.97 1015	10 16
1:35 am 01:35	Clear	71 21.6	71 21.4	99 99	E 3 6	29.98 1015	10 16
1:55 am 01:55	Clear	71 21.9	71 21.7	99 99	ENE 5 7	29.98 1015	10 16
2:15 am 02:15	Clear	72 22	71 21.7	98 98	E 3 6	29.98 1015	10 16
2:35 am 02:35	Clear	71 21.6	70 21.3	98 98	Calm	29.98 1015	10 16
2:55 am 02:55	Clear	71 21.5	70 21.1	98 98	E 3 6	29.98 1015	10 16
3:15 am 03:15	Clear	71 21.5	70 21.3	99 99	Calm	29.98 1015	10 16
3:35 am 03:35	Clear	70 21.3	70 21	98 98	Calm	29.99 1015	10 16
3:55 am 03:55	Clear	70 21.1	70 20.9	99 99	Calm	29.98 1015	10 16
4:15 am 04:15	Clear	69 20.7	69 20.5	99 99	Calm	29.98 1015	10 16
4:35 am 04:35	Clear	69 20.5	68 20.2	98 98	Calm	29.98 1015	10 16
4:55 am 04:55	Clear with Mist and Fog	67 19.7	67 19.5	99 99	Calm	29.98 1015	3 4
5:15 am 05:15	Clear	68 20	68 19.9	99 99	Calm	29.98 1015	10 16
5:35 am 05:35	Clear	69 20.6	69 20.4	99 99	Calm	29.98 1015	7 11
5:55 am 05:55	Clear	68 19.8	67 19.6	99 99	Calm	29.98 1015	10 16
6:15 am 06:15	Clear	67 19.3	66 19.1	99 99	Calm	29.98 1015	7 11
6:35 am 06:35	Clear	66 19.1	66 18.9	99 99	Calm	29.98 1015	7 11
6:50 am 06:50	Sunny with Mist and Fog	68 20	68 20	100 100	Calm	29.98 1015	5 8
7:50 am 07:50	Sunny	70 21	70 21	100 100	Calm	29.99 1015	10 16
8:50 am 08:50	Sunny	77 25	73 23	89 89	Calm	29.99 1015	10 16
9:50 am 09:50	Sunny	82 28	70 21	66 66	SSW 8 13	29.98 1015	10 16
10:50 am 10:50	Sunny	88 31	72 22	59 59	WSW 7 11	29.98 1015	10 16
11:50 am 11:50	Sunny	90 32	68 20	49 49	W 6 9	29.97 1015	10 16
12:50 pm 12:50	Sunny	91 33	66 19	44 44	SSW 8 13	29.96 1015	10 16
1:50 pm 13:50	Sunny	93 34	66 19	41 41	WSW 12 19	29.94 1014	10 16
2:50 pm 14:50	Sunny	95 35	64 18	37 37	WSW 9 15	29.91 1013	10 16
3:50 pm 15:50	Sunny	95 35	64 18	37 37	SW 8 13	29.89 1012	10 16
4:50 pm 16:50	Sunny	93 34	61 16	34 34	WSW 12 19	29.89 1012	10 16
5:50 pm 17:50	Sunny	91 33	63 17	39 39	W 8 13	29.88 1012	10 16
6:50 pm 18:50	Sunny	84 29	70 21	62 62	W 5 7	29.90 1013	10 16
7:50 pm 19:50	Clear	79 26	68 20	70 70	ESE 6 9	29.91 1013	10 16
8:50 pm 20:50	Partly Cloudy	77 25	68 20	74 74	S 5 7	29.93 1013	10 16
9:50 pm 21:50	Clear	73 23	68 20	83 83	Calm	29.93 1014	10 16
10:15 pm 22:15	Clear	73 22.8	69 20.5	87 87	Calm	29.93 1014	10 16
10:35 pm 22:35	Clear	72 22.3	69 20.4	89 89	Calm	29.93 1014	10 16
10:55 pm 22:55	Clear	73 22.7	71 21.6	94 94	Calm	29.92 1013	10 16
11:15 pm 23:15	Clear	73 22.8	70 21	90 90	S 5 7	29.92 1013	10 16
11:35 pm 23:35	Clear	72 22.3	68 20.2	88 88	S 5 7	29.91 1013	10 16
11:55 pm 23:55	Clear	72 22.3	68 20.1	87 87	SSW 6 9	29.91 1013	10 16