As of 15:45 CDT

Glendale Heights, IL weather in October

77°

Glendale Heights, Sunday, 9 August, 15:45

Overcast. Feels like 79°. High 80°, low 62°.

Pressure29.88 inHg

Wind7.8 mph S

Humidity91%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In October, Glendale Heights, IL averages a high of 60.9° and a low of 46.2°. About 3.0 inches of precipitation fall over the month (9 wet days). The record high is 87.4° (2025) and the record low 22.5° (1981). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.7°	52.2°	20%	84.9° (2019)	37° (1984)
2	68°	52.2°	27%	82.9° (1971)	32° (2003)
3	66.9°	52°	42%	87.4° (2025)	30.9° (1974)
4	65.8°	50.7°	27%	85.1° (2005)	36.1° (1989)
5	66°	49.6°	27%	83.7° (2007)	35.1° (1968)
6	65.3°	50°	35%	85.1° (2007)	36° (1966)
7	63.9°	48.6°	25%	85.6° (2007)	30.4° (2001)
8	65.1°	49.3°	32%	84.2° (2007)	33.1° (1987)
9	64.2°	48.9°	27%	82.6° (2010)	32.4° (2000)
10	63°	47.3°	22%	81.5° (2010)	31.5° (1964)
11	64°	47.3°	22%	81° (2024)	29.8° (2009)
12	63°	48.2°	33%	79.5° (2008)	31.6° (2006)
13	62.2°	47.1°	33%	82.4° (1975)	32.2° (1988)
14	61.7°	47.1°	32%	80.1° (1975)	29.5° (1979)
15	60.8°	46.9°	35%	81° (1968)	31.1° (2006)
16	59°	46°	28%	80.2° (1963)	31.6° (1991)
17	59.5°	44.8°	33%	80.2° (2016)	31.6° (1992)
18	58.6°	43.9°	35%	76.6° (1965)	30.4° (2009)
19	57.7°	43.9°	30%	77.9° (1971)	26.2° (1992)
20	59°	43.5°	28%	79.3° (2003)	27.1° (1972)
21	59.5°	44.8°	25%	78.1° (1979)	27.9° (2018)
22	59.2°	43.7°	28%	78.3° (1963)	27.7° (1976)
23	58.6°	44.2°	33%	77.9° (1963)	29.3° (1969)
24	57.2°	44.2°	38%	77.9° (1963)	22.5° (1981)
25	56.7°	42.8°	28%	73.9° (2012)	29.1° (2013)
26	55.6°	42.6°	28%	78.1° (1963)	23.7° (1962)
27	55.8°	41.9°	33%	74.8° (2014)	28.4° (1980)
28	55°	41.5°	20%	73.6° (1999)	25.3° (1976)
29	55°	41.2°	22%	78.1° (2024)	25.5° (1980)
30	57°	41.9°	30%	76.3° (1971)	23.9° (1988)
31	55.4°	42.8°	38%	73.6° (1974)	26.8° (1988)