As of 18:30 CDT

Berwyn, IL weather in December

82°

Berwyn, Saturday, 8 August, 18:30

Clear. Feels like 85°. High 83°, low 69°.

Pressure30.00 inHg

Wind2 mph S

Humidity60%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In December, Berwyn, IL averages a high of 35.7° and a low of 24.1°. About 2.8 inches of precipitation fall over the month (10 wet days). The record high is 67.6° (2012) and the record low -22.7° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39.2°	28.6°	40%	63.7° (1970)	6.3° (2025)
2	40.3°	28.6°	32%	67.1° (1982)	9.7° (1976)
3	39.6°	28.8°	33%	67.6° (2012)	7.5° (2006)
4	38.8°	27.9°	28%	64.2° (1998)	-0.6° (1991)
5	39.2°	26.8°	32%	66.2° (2001)	-0.9° (1991)
6	37.2°	25.7°	27%	61.3° (1998)	5.9° (1972)
7	35.6°	25.7°	27%	56.8° (1980)	0.5° (1972)
8	36.5°	26.6°	28%	62.2° (1991)	3° (2006)
9	37°	25.2°	40%	54.1° (2023)	-3.1° (1995)
10	36.1°	24.4°	28%	58.1° (1971)	-4.7° (1978)
11	35.1°	24.1°	35%	58.6° (2021)	-8.3° (1972)
12	37°	24.3°	33%	60.1° (2015)	-2.9° (2000)
13	36.7°	24.3°	25%	61.7° (2015)	-6.3° (2000)
14	36.9°	25.7°	32%	62.4° (1975)	-6.5° (1985)
15	37.9°	25.5°	32%	65.8° (2021)	-3.6° (2016)
16	36°	24.6°	37%	63.7° (2021)	-1.7° (1989)
17	33.1°	22.8°	22%	54.5° (2006)	-5.6° (1972)
18	33.1°	21.4°	20%	53.8° (2002)	-6.3° (2016)
19	34.2°	22.5°	22%	52.5° (2002)	-11.7° (2016)
20	34°	22.6°	33%	57.6° (1988)	-9.6° (1963)
21	34.2°	22.5°	33%	58.1° (1967)	-13.2° (1989)
22	34.3°	22.1°	32%	50° (2019)	-12.3° (1983)
23	35.1°	22.6°	37%	59.4° (2015)	-16.1° (1983)
24	33.1°	20.7°	35%	59.5° (2023)	-22.7° (1983)
25	31.6°	20.1°	27%	60.4° (1982)	-16.6° (1983)
26	33.1°	20.3°	33%	61.7° (2019)	-11.6° (1983)
27	34.7°	22.6°	30%	60.3° (2008)	-2.9° (2017)
28	35.8°	23.5°	37%	62.2° (1984)	-4° (1961)
29	34.7°	23.2°	35%	61.5° (1984)	-7.4° (1983)
30	34°	21.4°	33%	57° (2002)	-10.5° (1983)
31	33.3°	21.4°	37%	57.9° (1965)	-12.8° (1963)