As of 12:28 CDT

Jerseyville, IL weather in February

89°

Jerseyville, Sunday, 9 August, 12:28

Overcast. Feels like 101°. High 94°, low 72°.

Pressure29.97 inHg

Wind12.4 mph S

Humidity70%

Visibility6.2 mi

Dew point77°

See detailed hourly forecast

In February, Jerseyville, IL averages a high of 41.9° and a low of 25.2°. About 2.4 inches of precipitation fall over the month (7 wet days). The record high is 78.1° (2024) and the record low -15.2° (1996). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39.9°	24.8°	30%	60.3° (2024)	-5.1° (1985)
2	38.8°	22.3°	30%	61.7° (2020)	-5.6° (1996)
3	38.8°	22.3°	23%	68.2° (2025)	-15.2° (1996)
4	38.1°	21.6°	23%	68.2° (1962)	-11° (1996)
5	38.1°	20.8°	27%	59° (2008)	-10.7° (1979)
6	37.6°	22.5°	25%	60.4° (2009)	-7.8° (1982)
7	37.8°	21.6°	18%	66.2° (2009)	-9.8° (2014)
8	37.9°	22.5°	27%	64.6° (2001)	-1.5° (1971)
9	38.8°	22.1°	23%	65.1° (2024)	-11° (1979)
10	40.3°	23°	27%	70.3° (1976)	-11.4° (2011)
11	39.6°	22.8°	22%	67.6° (1999)	-9.9° (2014)
12	38.3°	22.8°	23%	63.9° (1990)	-15.2° (1981)
13	40.3°	22.8°	18%	71.1° (1962)	0.7° (1986)
14	41.9°	25.3°	33%	62.1° (1967)	-2.6° (2021)
15	41.4°	26.1°	33%	73.9° (2018)	-0.4° (2021)
16	40.6°	24.1°	35%	68.9° (1976)	-8° (2007)
17	41°	24.3°	22%	68.5° (2011)	-7.6° (2021)
18	44.4°	26.1°	22%	65.8° (1971)	-6.7° (1993)
19	44.1°	27.5°	17%	68.7° (2017)	-2.2° (2021)
20	47.1°	28.4°	25%	72.1° (2017)	-2.4° (2025)
21	46.4°	29.7°	35%	65.7° (2024)	1° (1963)
22	47.3°	29.8°	30%	71.6° (2017)	1.2° (1978)
23	45.5°	29.5°	35%	68.2° (2017)	2.3° (2015)
24	45°	28.2°	22%	70.9° (2000)	-0.6° (2015)
25	44.8°	27.9°	20%	69.8° (2000)	3.2° (2003)
26	45.7°	28.2°	30%	73° (2024)	3.7° (1963)
27	46.8°	28.9°	30%	78.1° (2024)	-3.5° (2015)
28	47.8°	29.3°	27%	72.7° (2017)	4.5° (1962)
29	50°	30.7°	13%	73.4° (1972)	9.9° (1960)