As of 01:21 CDT

Blue Island, IL weather in December

65°

Blue Island, Sunday, 9 August, 01:21

Clear. Feels like 66°. High 84°, low 65°.

Pressure30.00 inHg

Wind3.3 mph W

Humidity91%

Visibility6.2 mi

Dew point62°

See detailed hourly forecast

In December, Blue Island, IL averages a high of 35.8° and a low of 24.6°. About 2.8 inches of precipitation fall over the month (10 wet days). The record high is 66.7° (2012) and the record low -22.9° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39.2°	28.9°	40%	63.5° (1970)	7.5° (2025)
2	40.3°	29.3°	33%	66.6° (1982)	10.6° (1976)
3	39.7°	29.3°	35%	66.7° (2012)	9.5° (2006)
4	38.8°	28.4°	27%	63.7° (1998)	0.5° (1991)
5	39.2°	27.3°	32%	65.3° (2001)	0.5° (1991)
6	37.4°	26.4°	27%	61.2° (1998)	6.3° (1977)
7	35.8°	26.4°	27%	56.5° (1980)	3.4° (1977)
8	36.9°	27.1°	28%	61.7° (1991)	5° (2006)
9	37.2°	25.7°	40%	55° (2023)	-2.4° (1995)
10	36.3°	25°	28%	58.6° (1971)	-2.9° (1978)
11	35.2°	25°	35%	59.4° (2021)	-5.8° (1972)
12	37°	24.8°	33%	60.6° (2015)	-1.5° (2000)
13	36.9°	24.8°	25%	61.2° (2015)	-4.4° (2000)
14	37°	26.2°	32%	61.7° (1975)	-5.4° (1985)
15	37.9°	26.1°	32%	64.8° (2021)	-2° (2016)
16	36°	25.2°	35%	63.7° (2021)	-1.5° (1989)
17	33.1°	23.4°	22%	54.1° (2006)	-4.5° (1972)
18	33.1°	21.9°	22%	53.2° (2002)	-6° (1985)
19	34.2°	23°	23%	52.3° (2002)	-9.2° (2016)
20	34.2°	23°	33%	56.7° (1988)	-8.9° (1963)
21	34.2°	22.8°	33%	57.7° (1967)	-13° (1989)
22	34.5°	22.5°	32%	50.4° (2019)	-11.7° (1983)
23	35.1°	23.2°	35%	59.2° (2015)	-15.3° (1983)
24	33.1°	21°	37%	59° (2023)	-22.9° (1983)
25	31.6°	20.5°	28%	59.7° (1982)	-16.8° (1983)
26	33.1°	20.8°	32%	62.4° (2019)	-11.4° (1983)
27	34.7°	23°	30%	59.5° (2008)	-2.9° (2017)
28	35.8°	23.9°	37%	61.5° (1984)	-3.8° (1961)
29	34.7°	23.7°	35%	60.8° (1984)	-7.2° (1983)
30	34.2°	21.9°	35%	55.9° (2002)	-10.3° (1983)
31	33.3°	21.7°	37%	57.2° (1965)	-12.8° (1963)