Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for May 18, 2023

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Partly Cloudy	61 16	60 15.7	98 98	Calm	29.95 1014	10 16
12:35 am 00:35	Mostly Cloudy	61 16	60 15.8	99 99	Calm	29.95 1014	7 11
12:55 am 00:55	Mostly Cloudy	62 16.8	60 15.7	93 93	E 7 11	29.95 1014	10 16
1:15 am 01:15	Partly Cloudy	64 17.5	58 14.5	83 83	E 6 9	29.96 1015	10 16
1:35 am 01:35	Clear	63 17.1	58 14.3	84 84	E 6 9	29.96 1015	10 16
1:55 am 01:55	Clear	63 17	57 14	82 82	E 6 9	29.96 1015	10 16
2:15 am 02:15	Clear	62 16.7	57 13.7	82 82	Calm	29.96 1015	10 16
2:35 am 02:35	Clear	61 16.3	56 13.4	83 83	Calm	29.97 1015	10 16
2:55 am 02:55	Clear	61 16.1	56 13.2	83 83	Calm	29.97 1015	10 16
3:15 am 03:15	Clear	61 16	55 13	82 82	Calm	29.97 1015	10 16
3:35 am 03:35	Clear	60 15.7	55 12.7	82 82	Calm	29.97 1015	10 16
3:55 am 03:55	Clear	60 15.5	55 12.6	83 83	Calm	29.97 1015	10 16
4:15 am 04:15	Clear	59 15.2	54 12.3	83 83	Calm	29.97 1015	10 16
4:35 am 04:35	Clear	59 15	53 11.8	81 81	Calm	29.98 1015	10 16
4:55 am 04:55	Clear	58 14.7	53 11.7	82 82	Calm	29.98 1015	10 16
5:15 am 05:15	Clear	58 14.5	53 11.7	83 83	Calm	29.98 1015	10 16
5:35 am 05:35	Clear	57 14.1	52 11.3	83 83	Calm	29.98 1015	10 16
5:55 am 05:55	Sunny	57 14.1	52 11	82 82	Calm	29.99 1016	10 16
6:15 am 06:15	Sunny	57 14.1	52 11	82 82	Calm	29.99 1016	10 16
6:35 am 06:35	Sunny	58 14.2	52 11.3	83 83	Calm	29.99 1016	10 16
6:50 am 06:50	Sunny	59 15	52 11	77 77	E 6 9	29.99 1016	10 16
7:50 am 07:50	Sunny	61 16	52 11	72 72	ESE 7 11	30.00 1016	10 16
8:50 am 08:50	Sunny	64 18	54 12	68 68	SE 8 13	30.01 1016	10 16
9:50 am 09:50	Sunny	68 20	54 12	60 60	SE 9 15	30.02 1016	10 16
10:50 am 10:50	Mostly Sunny	72 22	55 13	57 57	SE 8 13	30.01 1016	10 16
11:50 am 11:50	Sunny	73 23	57 14	57 57	S 5 7	30.01 1016	10 16
12:50 pm 12:50	Sunny	75 24	57 14	54 54	S 5 7	30.00 1016	10 16
1:50 pm 13:50	Sunny	77 25	55 13	47 47	Calm	29.98 1015	10 16
2:50 pm 14:50	Partly Cloudy	79 26	54 12	42 42	SSW 3 6	29.97 1015	10 16
3:50 pm 15:50	Partly Cloudy	77 25	57 14	50 50	VRB 5 7	29.95 1014	10 16
4:50 pm 16:50	Partly Cloudy	77 25	57 14	50 50	VRB 6 9	29.95 1014	10 16
5:50 pm 17:50	Mostly Cloudy	77 25	55 13	47 47	ESE 7 11	29.94 1014	10 16
6:50 pm 18:50	Mostly Cloudy	73 23	57 14	57 57	ESE 7 11	29.94 1014	10 16
7:50 pm 19:50	Mostly Cloudy	72 22	57 14	60 60	SE 7 11	29.94 1014	10 16
8:50 pm 20:50	Cloudy	70 21	57 14	64 64	SSE 7 11	29.96 1014	10 16
9:50 pm 21:50	Partly Cloudy	68 20	57 14	68 68	VRB 5 7	29.97 1015	10 16
10:15 pm 22:15	Clear	67 19.3	56 13.5	69 69	Calm	29.98 1015	10 16
10:35 pm 22:35	Clear	67 19.4	56 13.5	69 69	Calm	29.98 1015	10 16
10:55 pm 22:55	Clear	65 18.2	56 13.6	75 75	Calm	29.98 1015	10 16
11:15 pm 23:15	Clear	65 18.6	56 13.3	71 71	Calm	29.98 1015	10 16
11:35 pm 23:35	Clear	65 18.1	56 13.5	75 75	Calm	29.98 1015	10 16
11:55 pm 23:55	Clear	64 18	56 13.5	75 75	Calm	29.98 1015	10 16