Clear and Cooler Temperatures Across Much of the Eastern U.S.; Heavy Rain in Florida

A high pressure system is bringing mostly clear skies and cooler temperatures across much of the eastern U.S. to the Mid-South. A stationary front will produce thunderstorms and heavy rain across the Florida Peninsula to the immediate Southeastern coast. Severe thunderstorms are possible across portions of the central and southern Plains. 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

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Clear and Cooler Temperatures Across Much of the Eastern U.S.; Heavy Rain in Florida

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