Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for September 12, 2022

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	54 12.4	54 12.1	98 98	Calm	30.05 1018	10 16
12:35 am 00:35	Clear	53 11.8	53 11.5	98 98	Calm	30.05 1018	10 16
12:55 am 00:55	Clear	53 11.6	53 11.4	99 99	Calm	30.05 1018	10 16
1:15 am 01:15	Clear	53 11.5	53 11.4	99 99	Calm	30.06 1018	10 16
1:35 am 01:35	Clear	53 11.6	53 11.5	99 99	Calm	30.05 1017	10 16
1:55 am 01:55	Clear	54 12.3	53 11.7	96 96	Calm	30.03 1017	10 16
2:15 am 02:15	Clear	51 10.7	51 10.5	99 99	Calm	30.04 1017	10 16
2:35 am 02:35	Clear	52 11	51 10.8	99 99	Calm	30.03 1017	10 16
2:55 am 02:55	Clear	52 11.1	52 11	99 99	Calm	30.03 1017	10 16
3:15 am 03:15	Clear	52 11	51 10.8	99 99	Calm	30.01 1016	10 16
3:35 am 03:35	Clear	52 11.3	52 11.1	99 99	Calm	30.01 1016	10 16
3:55 am 03:55	Clear	52 11	52 10.9	99 99	Calm	30.01 1016	10 16
4:15 am 04:15	Clear	53 11.8	53 11.5	98 98	SW 3 6	30.01 1016	10 16
4:35 am 04:35	Clear	53 11.8	53 11.6	99 99	SW 3 6	30.01 1016	10 16
4:55 am 04:55	Clear	53 11.5	52 11.2	98 98	Calm	30.00 1016	10 16
5:15 am 05:15	Clear	53 11.6	53 11.5	99 99	Calm	30.00 1016	10 16
5:35 am 05:35	Clear	53 11.4	52 11.1	98 98	Calm	30.00 1016	10 16
5:55 am 05:55	Clear	53 11.6	52 11	96 96	WSW 3 6	30.00 1016	10 16
6:15 am 06:15	Clear	53 11.6	52 11.1	97 97	SW 6 9	30.00 1016	10 16
6:35 am 06:35	Clear	54 12	52 11	94 94	SW 5 7	30.00 1016	10 16
6:50 am 06:50	Mostly Sunny	54 12	52 11	94 94	SW 7 11	30.00 1016	10 16
7:50 am 07:50	Mostly Sunny	55 13	54 12	94 94	WSW 7 11	30.00 1016	10 16
8:50 am 08:50	Sunny	59 15	52 11	77 77	SW 9 15	29.98 1015	10 16
9:50 am 09:50	Sunny	66 19	52 11	60 60	W 14 22	29.96 1015	10 16
10:50 am 10:50	Sunny	68 20	50 10	53 53	W 16 26	29.96 1014	10 16
11:50 am 11:50	Sunny	72 22	50 10	46 46	W 14 22	29.93 1014	10 16
12:50 pm 12:50	Sunny	73 23	48 9	41 41	W 12 19	29.88 1012	10 16
1:50 pm 13:50	Sunny	73 23	45 7	36 36	WNW 20 31	29.89 1012	10 16
2:50 pm 14:50	Sunny	75 24	45 7	34 34	WNW 17 28	29.88 1012	10 16
3:50 pm 15:50	Sunny	75 24	43 6	31 31	NW 16 26	29.87 1012	10 16
4:50 pm 16:50	Sunny	75 24	43 6	31 31	NW 13 20	29.87 1012	10 16
5:50 pm 17:50	Mostly Cloudy	72 22	46 8	41 41	NW 10 17	29.87 1012	10 16
6:50 pm 18:50	Partly Cloudy	66 19	50 10	56 56	WNW 6 9	29.88 1012	10 16
7:50 pm 19:50	Mostly Cloudy	68 20	48 9	49 49	NW 6 9	29.88 1012	10 16
8:50 pm 20:50	Mostly Cloudy	68 20	48 9	49 49	NNW 5 7	29.90 1012	10 16
9:50 pm 21:50	Cloudy	64 18	54 12	68 68	Calm	29.90 1013	10 16
10:15 pm 22:15	Cloudy	62 16.5	55 12.8	79 79	Calm	29.91 1013	10 16
10:35 pm 22:35	Partly Cloudy	61 16	55 12.7	81 81	Calm	29.91 1013	10 16
10:55 pm 22:55	Clear	61 16	54 12.4	79 79	Calm	29.91 1013	10 16
11:15 pm 23:15	Clear	59 15.2	54 12.1	82 82	Calm	29.91 1013	10 16
11:35 pm 23:35	Clear	59 15.2	52 11.2	77 77	Calm	29.91 1013	10 16
11:55 pm 23:55	Clear	58 14.5	53 11.4	82 82	Calm	29.91 1013	10 16