As of 13:56 CDT

Jerseyville, IL weather in July

91°

Jerseyville, Sunday, 9 August, 13:56

Overcast. Feels like 103°. High 93°, low 72°.

Pressure29.91 inHg

Wind11.2 mph SW

Humidity63%

Visibility6.2 mi

Dew point76°

See detailed hourly forecast

In July, Jerseyville, IL averages a high of 86.1° and a low of 69.8°. About 3.3 inches of precipitation fall over the month (9 wet days). The record high is 102.2° (2012) and the record low 51.4° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84.4°	68.2°	33%	98.2° (2012)	56.1° (2024)
2	84.2°	67.6°	28%	99.3° (2012)	55.4° (1995)
3	84.4°	67.8°	35%	96.8° (2012)	55.9° (1968)
4	85.3°	69.3°	43%	99.7° (2012)	53.2° (1967)
5	85.3°	68.9°	32%	100.8° (2012)	54.5° (1997)
6	85.8°	68.7°	30%	101.3° (2012)	51.4° (1972)
7	86.9°	69.1°	27%	101.1° (2012)	54.9° (1983)
8	86.9°	69.8°	37%	96.8° (1980)	56.7° (2015)
9	87.1°	70.7°	35%	97.7° (1966)	57.9° (1961)
10	86.4°	70.3°	33%	98.6° (1966)	56.1° (1961)
11	86.2°	70°	30%	100.4° (1966)	58.1° (1963)
12	86°	70.2°	35%	102° (1966)	56.8° (1975)
13	86.5°	70.3°	20%	101.8° (1966)	52° (1975)
14	87.1°	70.3°	23%	100° (1966)	54.1° (1975)
15	86°	70.3°	30%	100° (1980)	56.5° (1967)
16	86.7°	69.4°	23%	96.3° (1988)	57° (1967)
17	87.1°	70.2°	20%	97.7° (1988)	57.7° (2014)
18	87.4°	70.7°	27%	100° (2012)	58.8° (2009)
19	87.4°	71.6°	33%	101.5° (2012)	57.6° (1984)
20	87.1°	71.8°	38%	98.2° (1983)	56.8° (2009)
21	86.5°	70.7°	35%	99° (2017)	52.7° (1970)
22	86.2°	70.2°	32%	100° (2017)	57.7° (1970)
23	86.2°	70°	25%	101.5° (2012)	60.1° (2019)
24	86.4°	70°	23%	101.7° (2012)	58.1° (2003)
25	86.2°	69.6°	33%	102.2° (2012)	58.6° (1991)
26	86.4°	70.5°	32%	97.5° (1997)	59.4° (1996)
27	85.8°	70.2°	38%	96.4° (2002)	55.9° (1962)
28	85.6°	70°	33%	96.6° (2011)	54.9° (2013)
29	85.1°	69.1°	28%	100.2° (1999)	56.1° (2013)
30	84.6°	68.7°	32%	99.1° (1999)	56.3° (1971)
31	84.9°	68.5°	25%	99° (1970)	52.9° (1971)