As of 21:50 CDT

Evanston, IL weather in August

72°

Evanston, Saturday, 8 August, 21:50

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

Pressure30.03 inHg

Wind1.3 mph W

Humidity74%

Visibility6.2 mi

Dew point63°

See detailed hourly forecast

In August, Evanston, IL averages a high of 78.9° and a low of 68.2°. About 3.5 inches of precipitation fall over the month (10 wet days). The record high is 99.7° (2023) and the record low 52.3° (2024). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	80.6°	68.9°	32%	94.1° (1988)	58.3° (2019)
2	80.6°	69.3°	42%	93° (1964)	59.9° (1965)
3	80.2°	68.9°	35%	92.1° (1964)	57.9° (1965)
4	79.2°	68.7°	37%	92.1° (1988)	56.8° (2017)
5	78.8°	68.5°	30%	91° (2018)	54.7° (2020)
6	79°	68.5°	32%	92.8° (1968)	58.3° (2020)
7	79.9°	68.9°	40%	91.4° (2001)	58.5° (2020)
8	80.8°	69.3°	43%	94.1° (2025)	58.5° (1989)
9	79.9°	68.9°	40%	93.7° (2025)	55.2° (1972)
10	79°	68.5°	43%	91.6° (2021)	55° (1972)
11	77.7°	67.8°	33%	91° (2025)	57° (1965)
12	77.7°	67.3°	30%	92.1° (1995)	53.6° (2004)
13	78.8°	68°	32%	90.5° (1995)	56.3° (2017)
14	78.1°	68°	32%	91.8° (1988)	54.7° (1964)
15	78.4°	68.2°	32%	89.6° (2025)	56.7° (2014)
16	79.5°	68.5°	27%	96.4° (1988)	58.3° (2023)
17	79.2°	68.5°	38%	96.8° (1988)	59° (1992)
18	78.6°	68.4°	40%	89.1° (1988)	58.1° (2023)
19	78.1°	68°	42%	94.6° (1983)	60.4° (2020)
20	77.7°	68°	33%	89.6° (1968)	58.3° (1967)
21	78.4°	67.6°	27%	91.8° (1983)	55.9° (2024)
22	78.8°	67.6°	30%	91.4° (1968)	52.3° (2024)
23	78.3°	67.8°	30%	98.4° (2023)	57° (2024)
24	78.6°	67.8°	30%	99.7° (2023)	58.3° (1966)
25	79.2°	67.6°	23%	92.5° (2024)	55.6° (2017)
26	79.5°	68.2°	33%	96.3° (2024)	55.2° (2025)
27	79.2°	68.7°	32%	97.2° (2024)	56.8° (2025)
28	78.6°	68°	33%	92.1° (2021)	53.1° (1986)
29	78.8°	67.6°	30%	90.5° (1984)	52.7° (1965)
30	77.7°	67.3°	27%	91.2° (2013)	57.4° (1965)
31	77°	66.4°	22%	88.9° (2012)	58.1° (2025)