As of 09:06 CDT

Harwood Heights, IL weather in May

76°

Harwood Heights, Sunday, 9 August, 09:06

Clear. Feels like 77°. High 86°, low 63°.

Pressure29.97 inHg

Wind7 mph SE

Humidity74%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In May, Harwood Heights, IL averages a high of 66.2° and a low of 50.7°. About 3.8 inches of precipitation fall over the month (12 wet days). The record high is 94.3° (2025) and the record low 27.3° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	60.6°	45.5°	50%	80.1° (2018)	31.1° (1978)
2	60.4°	45.3°	33%	82.6° (2021)	34.5° (1966)
3	59°	44.6°	32%	80.8° (2012)	32.5° (1967)
4	60.4°	44.4°	33%	77.2° (1980)	34.7° (1966)
5	62.8°	46.6°	35%	80.2° (1980)	34° (1979)
6	63°	46.8°	28%	79.5° (2004)	35.6° (1970)
7	62.6°	46.6°	43%	79.9° (2023)	33.3° (1989)
8	63.5°	48°	30%	81.7° (2000)	31.6° (1976)
9	63.7°	49.1°	42%	81.3° (2004)	27.3° (2020)
10	64.8°	48.4°	28%	85.8° (2022)	29.1° (1966)
11	64.9°	49.1°	42%	81.1° (1987)	34.5° (2021)
12	63.3°	49.1°	38%	87.4° (2022)	35.6° (2021)
13	64.8°	48.2°	47%	85.6° (2022)	34.5° (2021)
14	64.9°	49.3°	47%	83.1° (2007)	36.5° (2019)
15	65.1°	50.5°	38%	94.3° (2025)	38.3° (2014)
16	67.3°	50.5°	43%	84.6° (2025)	37° (2014)
17	66.4°	50.7°	33%	85.1° (1962)	38.1° (2014)
18	67.5°	51.4°	33%	84° (1996)	38.1° (2002)
19	67.6°	52.3°	33%	85.1° (1962)	36.9° (2002)
20	68.5°	52.2°	35%	87.1° (2012)	39.7° (2015)
21	68.4°	52.7°	32%	87.4° (2024)	33.1° (2002)
22	68.5°	53.4°	33%	87.6° (2021)	39.7° (1997)
23	68.9°	53.1°	33%	84.4° (2010)	38.3° (1963)
24	68.7°	53.6°	30%	90.3° (2021)	42.4° (2013)
25	68.5°	54.5°	48%	85.6° (2021)	42.4° (1992)
26	69.3°	54.9°	43%	86.4° (2018)	40.5° (2002)
27	70°	54.7°	37%	91.6° (2012)	39.9° (1961)
28	70.3°	55.8°	40%	90.9° (2012)	42.8° (1992)
29	71.8°	56.8°	40%	86.4° (1991)	42.1° (1965)
30	73.2°	57.2°	37%	86.4° (1991)	40.8° (2021)
31	73°	57.7°	43%	91° (2023)	43.5° (1972)