As of 02:27 CDT

Blue Island, IL weather in May

65°

Blue Island, Sunday, 9 August, 02:27

Clear. Feels like 65°. High 84°, low 64°.

Pressure30.00 inHg

Wind3.8 mph SW

Humidity93%

Visibility6.2 mi

Dew point62°

See detailed hourly forecast

In May, Blue Island, IL averages a high of 67.6° and a low of 52°. About 4.1 inches of precipitation fall over the month (12 wet days). The record high is 93° (2012) and the record low 27.1° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.1°	46.9°	43%	79.5° (2018)	31.5° (1978)
2	61.5°	46.6°	32%	81.9° (2021)	34.7° (1966)
3	60.4°	45.7°	35%	81.5° (2012)	35.2° (1967)
4	61.7°	45.9°	35%	79.5° (2024)	34.3° (1966)
5	64.2°	47.8°	37%	79.9° (1982)	35.4° (1967)
6	64.6°	48.2°	35%	82° (2004)	36° (1978)
7	64.4°	48.4°	43%	81.3° (2023)	33.4° (1989)
8	65.3°	49.3°	33%	82.4° (2000)	32.4° (1976)
9	64.8°	50.5°	40%	83.5° (1963)	27.1° (2020)
10	66.7°	49.5°	28%	85.5° (2022)	30.7° (1966)
11	66.6°	50.7°	47%	87.1° (2022)	36.1° (2020)
12	65.1°	50.5°	43%	86.4° (2022)	35.8° (2020)
13	66.4°	49.5°	48%	85.5° (2022)	34.2° (2021)
14	66.4°	50.5°	48%	84.4° (1982)	36.3° (2019)
15	66.6°	52°	37%	91.4° (2025)	39° (2014)
16	68.5°	52°	42%	86.4° (2025)	37.9° (1967)
17	67.8°	52.2°	32%	86.5° (1977)	38.3° (2014)
18	69.1°	52.7°	32%	86.7° (1962)	38.8° (2002)
19	68.9°	53.8°	38%	86.4° (1962)	37° (2002)
20	69.8°	53.4°	38%	88° (2012)	40.1° (2002)
21	69.8°	53.8°	32%	87.6° (1977)	34° (2002)
22	69.8°	54.7°	32%	85.1° (2021)	41.2° (1997)
23	70.3°	54.7°	32%	85.6° (1977)	37.8° (1963)
24	70°	54.7°	35%	88.2° (2021)	43° (2013)
25	69.6°	55.8°	43%	85.3° (2021)	42.8° (1992)
26	70.5°	55.8°	43%	86° (2018)	40.6° (2002)
27	71.4°	55.9°	33%	93° (2012)	39° (1961)
28	71.4°	56.8°	40%	91° (2012)	45.5° (1971)
29	73.2°	57.7°	45%	86.5° (1991)	42.4° (1965)
30	74.1°	58.1°	38%	87.1° (1991)	41.7° (2021)
31	73.8°	58.6°	45%	90.1° (2023)	44.1° (1972)