As of 02:44 CDT

Naperville, IL weather in January

64°

Naperville, Sunday, 9 August, 02:44

Clear. Feels like 64°. High 85°, low 63°.

Pressure30.00 inHg

Wind3.8 mph SW

Humidity85%

Visibility6.2 mi

Dew point59°

See detailed hourly forecast

In January, Naperville, IL averages a high of 29.9° and a low of 15.4°. About 2.0 inches of precipitation fall over the month (8 wet days). The record high is 63.5° (2008) and the record low -29.7° (1994). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	31.5°	17.8°	23%	54.5° (2011)	-14.8° (1969)
2	31.1°	17.4°	33%	59.7° (2000)	-13.5° (1979)
3	31.1°	17.8°	25%	57° (2004)	-16.2° (2014)
4	30.2°	16°	30%	61° (1997)	-11.9° (1969)
5	29.3°	14.4°	22%	54.1° (1998)	-23.1° (1999)
6	28.4°	16.3°	32%	58.8° (2008)	-19.5° (1988)
7	27.9°	13.6°	20%	63.5° (2008)	-17.9° (1988)
8	28.2°	12.2°	25%	59.5° (1965)	-16.4° (2014)
9	29.1°	14.5°	27%	51.6° (2002)	-13° (1962)
10	29.5°	14.7°	33%	59° (1975)	-24.7° (1982)
11	30.9°	16°	30%	56.3° (2018)	-24.2° (1979)
12	31.1°	17.2°	25%	59.7° (2005)	-12.8° (1969)
13	30.6°	16°	38%	57.4° (2005)	-13.7° (1977)
14	28°	15.1°	27%	44.2° (2016)	-14.8° (2024)
15	26.8°	13.3°	22%	49.6° (1990)	-19.7° (1963)
16	30°	14.4°	22%	54.7° (1990)	-24.9° (2009)
17	29.8°	15.3°	28%	54.3° (1990)	-28.1° (1982)
18	28.6°	14.4°	18%	57.2° (1996)	-27° (1994)
19	28.9°	13.3°	27%	54.1° (2006)	-29.7° (1994)
20	28°	13.5°	27%	47.1° (2006)	-27.4° (1985)
21	29.5°	15.4°	23%	59.2° (2017)	-23.8° (1963)
22	32.7°	16.9°	35%	57.2° (1964)	-17.9° (1970)
23	31.5°	17.4°	40%	56.5° (1967)	-20° (1963)
24	30.9°	16.2°	25%	61.2° (1967)	-14.8° (1963)
25	30.9°	16.3°	35%	57.4° (1967)	-15.9° (1963)
26	29.7°	13.8°	32%	52° (1973)	-18° (2022)
27	29.7°	14.7°	22%	55.6° (2002)	-10.3° (1988)
28	30.2°	15.4°	25%	54.9° (2002)	-25.2° (1963)
29	30.7°	15.8°	33%	58.5° (2013)	-21.1° (1966)
30	29.7°	15.8°	23%	57.7° (1988)	-25.4° (2019)
31	31.3°	15.8°	22%	61.3° (1989)	-28.7° (2019)