As of 20:14 CDT

Elgin, IL weather in December

75°

Elgin, Sunday, 9 August, 20:14

Overcast. Feels like 76°. High 79°, low 62°.

Pressure29.88 inHg

Wind2 mph SE

Humidity92%

Visibility6.2 mi

Dew point72°

See detailed hourly forecast

In December, Elgin, IL averages a high of 34.3° and a low of 21.6°. About 2.4 inches of precipitation fall over the month (9 wet days). The record high is 67.8° (2012) and the record low -24.5° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	37.6°	26.4°	42%	63.3° (1970)	7.2° (2025)
2	38.8°	26.1°	28%	67.5° (1982)	-1.8° (1976)
3	37.9°	25.9°	33%	67.8° (2012)	-2.4° (1976)
4	37.4°	25.5°	23%	64° (1998)	-4.2° (1991)
5	37.9°	24.3°	30%	66.4° (2001)	-4.7° (1991)
6	35.8°	23°	23%	61.2° (1998)	-3.6° (2007)
7	34°	22.8°	27%	55.6° (1980)	-7.4° (1972)
8	34.9°	23.9°	28%	60.8° (1991)	-0.9° (2006)
9	35.4°	22.1°	40%	51.6° (1987)	-5.4° (1995)
10	34.3°	21.9°	25%	57.9° (2015)	-10.1° (1978)
11	33.8°	21.2°	30%	55.4° (2021)	-16.4° (1972)
12	35.2°	21°	28%	59.2° (1991)	-8.1° (2013)
13	35.4°	21.4°	25%	62.1° (2015)	-14.6° (2000)
14	35.6°	23.7°	32%	61° (1975)	-13° (1985)
15	36.3°	23.5°	33%	64.6° (2021)	-8° (1989)
16	34.5°	22.5°	32%	62.8° (2021)	-4.5° (1989)
17	31.6°	20.3°	22%	54.7° (2006)	-11.6° (1972)
18	31.6°	19°	17%	53.8° (2002)	-10.8° (2016)
19	32.7°	20.3°	22%	51.8° (2002)	-17.9° (1983)
20	32.7°	20.3°	25%	56.3° (1988)	-14.1° (1963)
21	32.9°	20.3°	30%	57.7° (1967)	-15.9° (1989)
22	33.1°	19.8°	33%	49.1° (2006)	-15° (1983)
23	33.8°	20.1°	35%	59° (2015)	-18.8° (1983)
24	31.5°	18.5°	30%	57.2° (2023)	-24.5° (1983)
25	30.4°	17.8°	27%	58.6° (1982)	-18° (1983)
26	31.8°	18.1°	30%	58.3° (2019)	-12.8° (1983)
27	33.1°	20.1°	23%	59.7° (2008)	-8° (1977)
28	34.5°	21.6°	33%	62.1° (1984)	-5.4° (1961)
29	33.3°	21.2°	33%	62.1° (1984)	-9.2° (1983)
30	32.7°	18.9°	28%	56.5° (2002)	-11.2° (1963)
31	31.8°	19°	32%	57.9° (1965)	-13.9° (1963)