Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for September 16, 2021

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	60 15.8	57 13.8	88 88	Calm	30.03 1017	10 16
12:35 am 00:35	Clear	61 16	57 14	88 88	Calm	30.03 1017	10 16
12:55 am 00:55	Clear	59 15	56 13.2	89 89	Calm	30.03 1017	10 16
1:15 am 01:15	Clear	59 15	55 13	88 88	Calm	30.03 1017	10 16
1:35 am 01:35	Clear	59 15.1	56 13.1	88 88	Calm	30.03 1017	10 16
1:55 am 01:55	Clear	59 15.2	56 13.2	88 88	Calm	30.03 1017	10 16
2:15 am 02:15	Clear	59 14.8	55 12.8	88 88	Calm	30.03 1017	10 16
2:35 am 02:35	Clear	59 15	55 13	88 88	Calm	30.03 1017	10 16
2:55 am 02:55	Clear	59 14.8	55 12.9	88 88	Calm	30.03 1017	10 16
3:15 am 03:15	Clear	59 15	55 13	88 88	Calm	30.03 1017	10 16
3:35 am 03:35	Clear	59 15	55 13	88 88	Calm	30.03 1017	10 16
3:55 am 03:55	Clear	59 15	55 13	88 88	Calm	30.04 1017	10 16
4:15 am 04:15	Clear	59 15.2	56 13.2	88 88	Calm	30.03 1017	10 16
4:35 am 04:35	Clear	58 14.5	55 12.5	88 88	Calm	30.04 1017	10 16
4:55 am 04:55	Clear	57 14.1	54 12.1	88 88	Calm	30.04 1017	10 16
5:15 am 05:15	Clear	57 14.1	54 12.2	88 88	Calm	30.05 1018	10 16
5:35 am 05:35	Clear	57 13.8	53 11.9	88 88	Calm	30.05 1018	10 16
5:55 am 05:55	Clear	58 14.6	55 12.6	88 88	Calm	30.06 1018	10 16
6:15 am 06:15	Clear	57 13.9	54 12	88 88	Calm	30.06 1018	10 16
6:35 am 06:35	Clear	57 13.8	53 11.9	88 88	Calm	30.06 1018	10 16
6:50 am 06:50	Sunny	55 13	54 12	94 94	Calm	30.07 1018	10 16
7:50 am 07:50	Sunny	61 16	57 14	88 88	VRB 5 7	30.09 1019	10 16
8:50 am 08:50	Sunny	68 20	61 16	78 78	VRB 6 9	30.08 1019	10 16
9:50 am 09:50	Sunny	73 23	61 16	65 65	E 8 13	30.07 1018	10 16
10:50 am 10:50	Sunny	79 26	59 15	51 51	SE 9 15	30.07 1018	10 16
11:50 am 11:50	Sunny	81 27	57 14	45 45	E 6 9	30.04 1017	10 16
12:50 pm 12:50	Sunny	82 28	54 12	37 37	SE 7 11	30.03 1017	10 16
1:50 pm 13:50	Sunny	84 29	46 8	27 27	E 10 17	30.01 1016	10 16
2:50 pm 14:50	Sunny	86 30	45 7	24 24	E 9 15	29.99 1016	10 16
3:50 pm 15:50	Sunny	86 30	46 8	25 25	ESE 8 13	29.97 1015	10 16
4:50 pm 16:50	Sunny	86 30	45 7	24 24	E 7 11	29.97 1015	10 16
5:50 pm 17:50	Sunny	84 29	48 9	29 29	E 6 9	29.96 1015	10 16
6:50 pm 18:50	Sunny	79 26	54 12	42 42	SE 3 6	29.98 1015	10 16
7:50 pm 19:50	Clear	70 21	59 15	69 69	E 5 7	30.00 1016	10 16
8:50 pm 20:50	Clear	68 20	59 15	73 73	E 6 9	30.00 1016	10 16
9:50 pm 21:50	Clear	68 20	59 15	73 73	ESE 6 9	30.02 1017	10 16
10:15 pm 22:15	Clear	67 19.3	60 15.3	78 78	E 3 6	30.02 1017	10 16
10:35 pm 22:35	Clear	68 19.9	59 15	74 74	Calm	30.02 1017	10 16
10:55 pm 22:55	Clear	65 18.5	61 16	85 85	Calm	30.02 1017	10 16
11:15 pm 23:15	Clear	64 18	60 15.7	87 87	Calm	30.02 1017	10 16
11:35 pm 23:35	Clear	65 18.2	60 15.8	86 86	Calm	30.02 1017	10 16
11:55 pm 23:55	Clear	65 18.1	61 15.9	87 87	Calm	30.02 1017	10 16