As of 22:46 CDT

Chicago, IL weather in August

73°

Chicago, Saturday, 8 August, 22:46

Clear. Feels like 73°. High 83°, low 69°.

Pressure30.00 inHg

Wind2 mph S

Humidity76%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In August, Chicago, IL averages a high of 80.2° and a low of 67.3°. About 3.6 inches of precipitation fall over the month (11 wet days). The record high is 98.6° (2023) and the record low 49.8° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.9°	68°	30%	95.2° (1988)	57.7° (1990)
2	81.9°	68.4°	38%	95° (1964)	57.6° (1968)
3	81.5°	67.8°	37%	93.2° (1964)	54.7° (1976)
4	80.6°	67.6°	38%	94.6° (1988)	55.6° (1966)
5	79.9°	67.8°	33%	93.7° (2018)	54.3° (2020)
6	80.2°	67.5°	33%	94.3° (1968)	54.3° (1994)
7	81.1°	67.8°	38%	93° (2001)	57.7° (1994)
8	81.9°	68.4°	38%	95.5° (1983)	56.8° (1989)
9	81.3°	68.2°	40%	94.1° (2001)	54.5° (1972)
10	80.1°	67.8°	47%	90.9° (1983)	52.5° (1972)
11	78.8°	66.9°	35%	91.2° (2016)	54.7° (1965)
12	79°	66.2°	32%	93.6° (1995)	52.5° (2004)
13	79.9°	67.1°	30%	92.3° (1995)	56.1° (1967)
14	79.2°	67.1°	33%	92.8° (1988)	50.2° (1964)
15	79.7°	67.3°	33%	90.5° (2025)	52.9° (2014)
16	80.8°	67.6°	33%	97.7° (1988)	55.8° (1979)
17	80.6°	67.6°	40%	98.1° (1988)	54.9° (1992)
18	79.9°	67.5°	42%	90.1° (1972)	57° (2023)
19	79.3°	67.3°	42%	96.6° (1983)	59° (1992)
20	79.2°	67.3°	33%	91.4° (1968)	56.5° (1992)
21	79.9°	66.4°	27%	94.8° (1983)	55.9° (1992)
22	79.9°	66.7°	35%	92.7° (1968)	52° (2024)
23	79.5°	67.1°	32%	97.9° (2023)	57° (2018)
24	80.1°	66.9°	30%	98.6° (2023)	57.2° (1966)
25	80.4°	66.4°	28%	92.1° (2024)	54.1° (2017)
26	80.8°	67.6°	33%	96.3° (2024)	56.1° (2025)
27	80.4°	68°	37%	97.2° (2024)	56.8° (2025)
28	79.9°	67.3°	37%	92.3° (1984)	52° (1986)
29	79.9°	66.7°	28%	92.8° (1984)	49.8° (1965)
30	79°	66.2°	28%	92.8° (2013)	55.2° (1986)
31	78.4°	65.7°	23%	89.8° (2012)	57° (1992)