Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for February 21, 2022

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	44 6.6	34 1	68 68	SSE 7 11	30.01 1016	10 16
12:35 am 00:35	Clear	44 6.6	33 0.8	67 67	S 9 15	30.01 1016	10 16
12:55 am 00:55	Clear	43 6.3	33 0.8	68 68	S 9 15	30.01 1016	10 16
1:15 am 01:15	Clear	43 6.1	33 0.7	69 69	SSE 10 17	30.01 1016	10 16
1:35 am 01:35	Clear	44 6.8	34 0.9	66 66	S 12 19	30.00 1016	10 16
1:55 am 01:55	Clear	43 6	33 0.7	69 69	S 8 13	30.01 1016	10 16
2:15 am 02:15	Clear	41 5.1	33 0.6	73 73	S 8 13	30.00 1016	10 16
2:35 am 02:35	Clear	40 4.6	33 0.5	75 75	S 9 15	30.00 1016	10 16
2:55 am 02:55	Clear	40 4.6	33 0.5	75 75	S 6 9	30.00 1016	10 16
3:15 am 03:15	Clear	41 5.1	33 0.4	72 72	S 7 11	29.99 1016	10 16
3:35 am 03:35	Clear	42 5.5	33 0.6	71 71	S 8 13	29.99 1015	10 16
3:55 am 03:55	Clear	42 5.5	33 0.5	71 71	SSE 7 11	29.99 1015	10 16
4:15 am 04:15	Clear	42 5.5	32 0.2	69 69	SE 5 7	29.99 1015	10 16
4:35 am 04:35	Clear	39 3.8	32 -0.1	76 76	ESE 6 9	29.99 1016	10 16
4:55 am 04:55	Clear	35 1.9	31 -0.6	84 84	SE 6 9	30.00 1016	10 16
5:15 am 05:15	Clear	36 2.1	31 -0.5	83 83	SE 6 9	30.00 1016	10 16
5:35 am 05:35	Clear	37 2.5	31 -0.3	82 82	SE 5 7	29.99 1016	10 16
5:55 am 05:55	Clear	38 3.3	32 0	79 79	ESE 5 7	29.99 1016	10 16
6:15 am 06:15	Clear	37 3	32 -0.2	80 80	SE 5 7	29.99 1016	10 16
6:35 am 06:35	Clear	37 2.8	32 -0.2	81 81	ESE 5 7	29.99 1016	10 16
6:50 am 06:50	Sunny	37 3	32 0	81 81	SSE 8 13	29.98 1015	10 16
7:50 am 07:50	Sunny	41 5	34 1	76 76	VRB 6 9	29.98 1015	10 16
8:50 am 08:50	Sunny	50 10	36 2	58 58	SSE 10 17	29.97 1015	10 16
9:50 am 09:50	Sunny	54 12	37 3	54 54	SSE 12 19	29.94 1014	10 16
10:50 am 10:50	Sunny	57 14	41 5	55 55	S 14 22	29.91 1013	10 16
11:50 am 11:50	Sunny	57 14	43 6	59 59	SSE 16 26	29.89 1012	10 16
12:50 pm 12:50	Sunny	59 15	46 8	63 63	SSE 18 30	29.83 1010	10 16
1:50 pm 13:50	Sunny	63 17	48 9	59 59	S 20 31	29.78 1009	10 16
2:50 pm 14:50	Sunny	64 18	50 10	60 60	SSE 20 31	29.77 1008	10 16
3:50 pm 15:50	Sunny	59 15	50 10	72 72	S 32 52	29.76 1008	10 16
4:20 pm 16:20	Mostly Cloudy	59 15	50 10	72 72	S 22 35	29.77 1008	10 16
4:50 pm 16:50	Cloudy	59 15	52 11	77 77	S 16 26	29.78 1008	10 16
5:50 pm 17:50	Cloudy	57 14	54 12	88 88	S 22 35	29.78 1008	10 16
6:24 pm 18:24	Cloudy	57 14	54 12	88 88	S 18 30	29.78 1008	10 16
6:50 pm 18:50	Cloudy	57 14	55 13	94 94	SSE 22 35	29.78 1008	10 16
7:50 pm 19:50	Cloudy	57 14	55 13	94 94	S 17 28	29.79 1009	10 16
8:47 pm 20:47	Cloudy	57 14	55 13	94 94	S 13 20	29.79 1009	7 11
9:52 pm 21:52	Cloudy	57 14	55 13	94 94	S 15 24	29.78 1008	7 11
10:15 pm 22:15	Cloudy	57 14	56 13.6	97 97	SSE 13 20	29.78 1008	10 16
10:35 pm 22:35	Cloudy	57 14.1	56 13.6	97 97	SSE 13 20	29.77 1008	10 16
10:55 pm 22:55	Cloudy	58 14.3	57 13.7	96 96	SSE 14 22	29.77 1008	10 16
11:15 pm 23:15	Cloudy	58 14.3	57 13.7	96 96	SSE 12 19	29.77 1008	10 16
11:35 pm 23:35	Cloudy	58 14.4	57 13.7	96 96	SSE 10 17	29.76 1008	10 16
11:55 pm 23:55	Cloudy	58 14.5	57 14	97 97	SSE 13 20	29.76 1008	10 16