Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for March 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	40 4.3	32 -0.1	73 73	SSW 6 9	30.13 1020	10 16
12:35 am 00:35	Clear	41 4.9	31 -0.6	68 68	SW 7 11	30.13 1020	10 16
12:55 am 00:55	Clear	40 4.5	31 -0.5	70 70	SW 5 7	30.13 1020	10 16
1:15 am 01:15	Clear	40 4.5	31 -0.5	70 70	SSW 3 6	30.13 1020	10 16
1:35 am 01:35	Clear	39 4	31 -0.5	73 73	SW 3 6	30.14 1021	10 16
1:55 am 01:55	Clear	41 4.8	31 -0.6	68 68	Calm	30.14 1021	10 16
2:15 am 02:15	Clear	41 4.9	31 -0.7	67 67	Calm	30.14 1021	10 16
2:35 am 02:35	Clear	40 4.3	31 -0.7	70 70	SSW 3 6	30.15 1021	10 16
2:55 am 02:55	Clear	40 4.7	31 -0.7	68 68	Calm	30.15 1021	10 16
3:15 am 03:15	Clear	38 3.4	30 -1	73 73	Calm	30.15 1021	10 16
3:35 am 03:35	Clear	37 2.5	30 -1	78 78	Calm	30.15 1021	10 16
3:55 am 03:55	Clear	38 3.5	31 -0.6	75 75	Calm	30.15 1021	10 16
4:15 am 04:15	Clear	39 4	31 -0.6	72 72	Calm	30.15 1021	10 16
4:35 am 04:35	Clear	38 3.6	31 -0.5	75 75	Calm	30.15 1021	10 16
4:55 am 04:55	Clear	38 3.1	31 -0.7	76 76	Calm	30.16 1021	10 16
5:15 am 05:15	Clear	36 2.3	31 -0.7	81 81	Calm	30.16 1021	10 16
5:35 am 05:35	Clear	36 2	31 -0.7	83 83	Calm	30.17 1022	10 16
5:55 am 05:55	Clear	36 2.3	31 -0.6	81 81	Calm	30.16 1021	10 16
6:15 am 06:15	Clear	35 1.7	31 -0.7	84 84	Calm	30.18 1022	10 16
6:35 am 06:35	Clear	34 1.3	31 -0.5	88 88	SSE 3 6	30.18 1022	10 16
6:50 am 06:50	Clear	36 2	30 -1	81 81	SSW 5 7	30.19 1022	10 16
7:50 am 07:50	Sunny	36 2	30 -1	81 81	SSW 5 7	30.21 1023	10 16
8:50 am 08:50	Sunny	46 8	34 1	62 62	SW 7 11	30.20 1023	10 16
9:50 am 09:50	Sunny	52 11	36 2	54 54	SW 8 13	30.22 1023	10 16
10:50 am 10:50	Sunny	59 15	37 3	45 45	SSW 9 15	30.21 1023	10 16
11:50 am 11:50	Sunny	63 17	34 1	34 34	SSW 15 24	30.20 1023	10 16
12:50 pm 12:50	Sunny	63 17	30 -1	30 30	SSW 12 19	30.19 1022	10 16
1:50 pm 13:50	Sunny	68 20	30 -1	24 24	SSW 14 22	30.17 1022	10 16
2:50 pm 14:50	Sunny	70 21	30 -1	23 23	SSW 10 17	30.15 1021	10 16
3:50 pm 15:50	Sunny	70 21	28 -2	21 21	SSE 10 17	30.14 1021	10 16
4:50 pm 16:50	Sunny	70 21	30 -1	23 23	S 7 11	30.13 1020	10 16
5:50 pm 17:50	Sunny	70 21	30 -1	23 23	S 12 19	30.11 1019	10 16
6:50 pm 18:50	Sunny	64 18	30 -1	28 28	SSE 9 15	30.10 1019	10 16
7:50 pm 19:50	Clear	64 18	34 1	32 32	SSE 9 15	30.11 1020	10 16
8:50 pm 20:50	Clear	59 15	34 1	39 39	SSE 13 20	30.12 1020	10 16
9:50 pm 21:50	Clear	57 14	34 1	41 41	S 12 19	30.13 1020	10 16
10:15 pm 22:15	Clear	56 13.5	35 1.5	44 44	SSE 9 15	30.14 1021	10 16
10:35 pm 22:35	Clear	56 13.3	35 1.6	45 45	S 9 15	30.15 1021	10 16
10:55 pm 22:55	Clear	55 12.7	35 1.8	48 48	S 9 15	30.15 1021	10 16
11:15 pm 23:15	Clear	55 12.5	35 1.9	49 49	S 8 13	30.15 1021	10 16
11:35 pm 23:35	Clear	55 12.7	36 2	48 48	S 9 15	30.14 1021	10 16
11:55 pm 23:55	Clear	55 12.9	36 2.2	48 48	SSE 8 13	30.14 1021	10 16