Crystal Lake, IL 21 October Weather

Altitude - 277m | 42°14′24″N,88°19′12″W | map (OSM)

Crystal Lake, IL

°F

4 pmSunny8mphSE

Sun, October 12, 20254:49 PM (GMT -05:00)

Climatic norm in Crystal Lake, IL Oct 21

41°
51°
60°

minimum
average
maximum

Tuesday Oct 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	47°	46°	52°	61°	64°	59°	52°
wind	4mph	5mph	6mph	8mph	11mph	11mph	10mph	7mph
pressure in	28.94	28.93	28.92	28.91	28.89	28.85	28.82	28.85

Monday Oct 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	59°	55°	51°	57°	74°	79°	72°	62°
wind	8mph	6mph	6mph	6mph	9mph	10mph	7mph	6mph
pressure in	29.21	29.21	29.22	29.24	29.22	29.17	29.15	29.14

Saturday Oct 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	41°	40°	43°	50°	58°	57°	53°	47°
wind	1mph	1mph	2mph	6mph	11mph	15mph	10mph	8mph
pressure in	28.76	28.73	28.70	28.68	28.64	28.68	28.78	28.90

Friday Oct 21 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	39°	38°	37°	46°	62°	70°	65°	59°
wind	3mph	3mph	5mph	8mph	14mph	15mph	11mph	9mph
pressure in	28.76	28.76	28.76	28.76	28.75	28.70	28.70	28.75

Thursday Oct 21 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	61°	55°	51°	49°	50°	52°	50°	46°
wind	8mph	9mph	8mph	11mph	13mph	11mph	8mph	4mph
pressure in	28.84	28.83	28.83	28.87	28.90	28.93	29.00	29.05

Wednesday Oct 21 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	45°	43°	43°	48°	53°	50°	47°
wind	9mph	10mph	8mph	7mph	4mph	3mph	1mph	3mph
pressure in	28.98	29.00	29.09	29.16	29.18	29.17	29.19	29.19

Monday Oct 21 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	51°	53°	56°	59°	60°	56°	51°
wind	7mph	7mph	10mph	16mph	21mph	18mph	16mph	16mph
pressure in	28.87	28.80	28.72	28.58	28.44	28.43	28.50	28.54

Sunday Oct 21 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	30°	28°	27°	32°	43°	47°	43°	40°
wind	5mph	4mph	3mph	4mph	10mph	13mph	10mph	7mph
pressure in	29.32	29.33	29.34	29.35	29.31	29.21	29.14	29.11

* Crystal Lake, IL weather for October 21 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Crystal Lake, IL Weather for October 21, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on October 21 for previous years is presented.