As of 09:53 CDT

Joliet, IL weather in October

78°

Joliet, Sunday, 9 August, 09:53

Overcast. Feels like 80°. High 88°, low 64°.

Pressure29.97 inHg

Wind9.5 mph S

Humidity82%

Visibility6.2 mi

Dew point72°

See detailed hourly forecast

In October, Joliet, IL averages a high of 62.4° and a low of 46.7°. About 3.2 inches of precipitation fall over the month (9 wet days). The record high is 87.6° (2007) and the record low 22.6° (1981). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	70.3°	52.5°	17%	85.3° (2019)	37.8° (1984)
2	69.4°	52.7°	30%	84.4° (1971)	32.7° (2003)
3	68.4°	52.7°	40%	87.3° (2025)	32.5° (1974)
4	67.3°	51.3°	33%	85.5° (2005)	36.7° (1989)
5	67.3°	50.2°	25%	85.3° (2007)	35.1° (1968)
6	66.7°	50.5°	28%	86.9° (2007)	36.1° (1966)
7	65.1°	48.9°	23%	87.6° (2007)	33.6° (2000)
8	66.2°	49.6°	35%	86.2° (2007)	33.4° (1987)
9	66°	49.5°	25%	83.5° (2010)	32.2° (2000)
10	64.6°	47.7°	20%	82.2° (2010)	32.4° (1964)
11	65.5°	47.8°	20%	81.9° (1962)	31.3° (2009)
12	64.8°	48.7°	35%	81° (1995)	31.6° (1987)
13	63.7°	47.8°	37%	84° (1975)	31.5° (1988)
14	63.3°	47.7°	35%	82.2° (1975)	29.7° (1979)
15	62.6°	47.5°	30%	83.1° (1963)	31.6° (2006)
16	60.6°	46.8°	30%	82.6° (1963)	31.8° (1991)
17	61°	45.3°	30%	81° (2016)	31.5° (1992)
18	59.9°	44.4°	28%	77.5° (1965)	30.7° (1976)
19	59°	44.2°	35%	79.2° (1971)	25.9° (1992)
20	60.4°	44.1°	25%	80.4° (2003)	27.3° (1972)
21	61°	45.3°	20%	80.8° (2024)	27.5° (2018)
22	60.6°	44.4°	25%	80.2° (1963)	26.2° (1976)
23	60.1°	44.8°	32%	80.1° (1963)	28.2° (1976)
24	58.5°	45.1°	35%	79.5° (1963)	22.6° (1981)
25	57.7°	43.3°	27%	75.7° (1963)	27.5° (2006)
26	57.2°	43.2°	30%	79.7° (1963)	23° (1962)
27	57.2°	42.4°	35%	75° (2014)	29.3° (1962)
28	56.5°	41.9°	22%	75° (1999)	25.9° (1976)
29	56.7°	41.7°	22%	79.2° (2024)	24.6° (1980)
30	58.6°	42.6°	25%	78.1° (1971)	24.4° (1980)
31	56.8°	43.5°	37%	75.2° (1974)	27.3° (1988)