As of 21:37 CDT

Berwyn, IL weather in May

74°

Berwyn, Saturday, 8 August, 21:37

Clear. Feels like 75°. High 83°, low 69°.

Pressure30.03 inHg

Wind2.7 mph W

Humidity72%

Visibility6.2 mi

Dew point64°

See detailed hourly forecast

In May, Berwyn, IL averages a high of 67.8° and a low of 51.3°. About 4.1 inches of precipitation fall over the month (12 wet days). The record high is 94.3° (2025) and the record low 26.8° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.2°	46.4°	43%	80.1° (2018)	31.3° (1978)
2	62.1°	45.9°	33%	82.6° (2021)	33.8° (1966)
3	60.8°	45.1°	35%	82° (2012)	33.6° (1967)
4	62.1°	45°	35%	78.8° (2024)	33.3° (1966)
5	64.6°	47.3°	38%	80.6° (1982)	34.5° (1967)
6	64.8°	47.7°	33%	82.2° (2004)	35.1° (1978)
7	64.6°	47.7°	43%	81.1° (1965)	33.1° (1989)
8	65.5°	48.7°	33%	83.3° (2000)	31.6° (1976)
9	65.3°	49.8°	40%	83.5° (1963)	26.8° (2020)
10	66.9°	48.7°	28%	85.5° (2022)	28.4° (1966)
11	66.6°	49.8°	47%	84.7° (2011)	34° (2021)
12	65.1°	49.8°	43%	87.3° (2022)	34.9° (2021)
13	66.6°	48.7°	48%	86° (2022)	33.8° (2021)
14	66.6°	50°	47%	84.6° (1982)	36° (2019)
15	66.9°	51.3°	37%	94.3° (2025)	38.7° (2014)
16	68.7°	51.3°	43%	85.8° (2001)	37.2° (1967)
17	68°	51.4°	32%	86.5° (1977)	37.6° (2014)
18	69.3°	52°	32%	87.3° (1962)	37.9° (2002)
19	69.3°	53.1°	37%	86.5° (1962)	36.3° (2002)
20	70°	52.7°	35%	88.5° (2012)	39.4° (2002)
21	70°	53.1°	32%	87.4° (1977)	32.7° (2002)
22	70.2°	54°	32%	86.7° (2021)	39.7° (1997)
23	70.7°	53.8°	32%	86° (1977)	36.3° (1963)
24	70.3°	54°	33%	90.3° (2021)	42.6° (2013)
25	70°	55.2°	47%	85.5° (2021)	42.3° (1992)
26	70.9°	55°	43%	86.5° (1985)	40.3° (2002)
27	71.6°	55.2°	35%	93.6° (2012)	38.5° (1961)
28	71.6°	56.1°	40%	91.9° (2012)	43° (1992)
29	73.4°	57.2°	42%	86.9° (1991)	41.7° (1965)
30	74.5°	57.4°	42%	87.3° (1991)	40.3° (2021)
31	74.1°	58.1°	45%	92.3° (2023)	43.7° (1972)