As of 16:36 CDT

Summit, IL weather in June

84°

Summit, Saturday, 8 August, 16:36

Clear. Feels like 87°. High 84°, low 69°.

Pressure29.97 inHg

Wind9.6 mph W

Humidity59%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In June, Summit, IL averages a high of 78.3° and a low of 62.3°. About 4.0 inches of precipitation fall over the month (11 wet days). The record high is 99.3° (1988) and the record low 41.5° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	73.9°	57.6°	37%	92.1° (2023)	42.4° (2003)
2	73°	57°	35%	90.1° (2023)	42.8° (1966)
3	72.5°	57°	25%	90.5° (2025)	45.1° (2013)
4	74.3°	57.4°	33%	91.4° (2021)	43.9° (1969)
5	75.4°	58.6°	35%	91.4° (2021)	41.5° (1990)
6	76.1°	60.1°	37%	90.3° (1971)	46.6° (2018)
7	76.8°	60.6°	32%	91.4° (2011)	49.1° (1998)
8	76.5°	60.6°	43%	91.8° (1963)	49.3° (1998)
9	76.5°	60.4°	42%	91.8° (1963)	47.1° (1969)
10	77°	60.4°	37%	91.6° (1968)	45.9° (1972)
11	78.3°	61.3°	48%	90.7° (2025)	42.4° (1972)
12	77.9°	62.2°	35%	90.7° (2017)	46.9° (2023)
13	78.1°	61.9°	40%	91.8° (1988)	45.7° (1985)
14	79°	63°	30%	95.2° (2022)	49.3° (2019)
15	78.6°	63°	52%	94.5° (2022)	46.6° (1997)
16	78.6°	62.4°	37%	92.8° (2022)	46.2° (1969)
17	79.9°	63°	30%	92.8° (2024)	45.1° (1980)
18	80.4°	64.2°	35%	95.2° (2021)	52.5° (1999)
19	79.7°	64.2°	32%	92.1° (2021)	52.9° (2022)
20	80.2°	63.9°	35%	97° (1988)	48.9° (2004)
21	80.2°	64.8°	37%	99° (1988)	48° (1992)
22	79.5°	64.2°	38%	94.1° (1988)	46.2° (1992)
23	79.5°	64.2°	38%	95.2° (2025)	49.3° (1972)
24	80.4°	64.6°	37%	95.9° (2005)	52.2° (1972)
25	80.8°	64.6°	42%	99.3° (1988)	51.1° (1979)
26	81°	66°	42%	93.2° (1983)	54.1° (2017)
27	81°	65.5°	38%	95.2° (1971)	50.7° (2017)
28	81.1°	65.5°	37%	99.1° (2012)	50° (1992)
29	81°	65.8°	33%	92.8° (1971)	55° (2016)
30	80.6°	66.2°	40%	92.1° (1970)	55.6° (2010)