Atmospheric River for the Northwest and Northern Rockies; Brisk and Snow Showers for Great Lakes and New England

Active pattern across the country with an atmospheric river event across the Northwest into the northern Rockies and a cold front moving through the east. For the west, accumulating snow and strong winds for the higher elevations are expected through Tuesday. Meanwhile, a cold front moves across the east with gusty winds and snow showers across the Great Lakes and New England. Read More >

CHICAGO NORMALS (1991-2020)
JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC

October Normals for Chicago for Temperature, Precipitation and Snowfall

Day of Month	High	Low	Average	HDD	CDD	Precipitation	Snowfall
1	69.4	50.9	60.1	6.3	1.4	0.11	0
2	68.9	50.5	59.7	6.6	1.3	0.12	0
3	68.5	50.1	59.3	6.9	1.2	0.11	0
4	68	49.7	58.9	7.2	1.1	0.11	0
5	67.6	49.3	58.5	7.6	1	0.11	0
6	67.2	48.9	58.1	7.9	1	0.11	0
7	66.7	48.6	57.6	8.3	0.9	0.11	0
8	66.3	48.2	57.2	8.6	0.9	0.11	0
9	65.8	47.8	56.8	9	0.8	0.11	0
10	65.4	47.5	56.4	9.3	0.7	0.12	0
11	65	47.1	56	9.6	0.7	0.11	0
12	64.5	46.8	55.6	9.9	0.6	0.12	0
13	64.1	46.4	55.2	10.3	0.5	0.11	0
14	63.6	46.1	54.8	10.6	0.4	0.11	0
15	63.2	45.7	54.4	10.9	0.4	0.12	0
16	62.7	45.4	54	11.3	0.3	0.11	0
17	62.3	45	53.7	11.6	0.3	0.11	0
18	61.8	44.7	53.3	12	0.3	0.12	0
19	61.4	44.3	52.9	12.4	0.2	0.11	0
20	60.9	44	52.5	12.8	0.2	0.1	0
21	60.5	43.6	52.1	13.1	0.2	0.11	0.1
22	60	43.3	51.7	13.5	0.2	0.11	0
23	59.6	42.9	51.3	13.9	0.2	0.11	0
24	59.1	42.6	50.9	14.3	0.1	0.11	0
25	58.7	42.2	50.5	14.7	0.1	0.11	0
26	58.2	41.9	50	15.1	0.1	0.11	0
27	57.8	41.5	49.6	15.5	0.1	0.11	0
28	57.3	41.2	49.2	15.8	0.1	0.11	0
29	56.8	40.8	48.8	16.3	0.1	0.11	0.1
30	56.4	40.4	48.4	16.7	0.1	0.1	0
31	55.9	40.1	48	17.1	0.1	0.1	0

MONTH	62.7	45.4	54	355.1	15.6	3.43	0.2

Follow us on Twitter

Follow us on Facebook

Follow us on YouTube

LOT RSS Feed

Atmospheric River for the Northwest and Northern Rockies; Brisk and Snow Showers for Great Lakes and New England

October Normals for Temperature, Precipitation and Snowfall for Chicago, IL