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Weather Naperville: Current forecast

Naperville / Illinois (IL) / United States

22.2 °C
Feels like 24.6 °C
Min 24 °C / Max 34 °C
Weather Naperville: Mist, 22 °C Mist
6.7 mph ENE
Wind
11.9 mph ENE
Gusts
1015 hPa
Pressure
0 mm
Precipitation
82 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Moderate
Mugwort None
Ragweed None
05:33 / 20:24
Sunrise / Sunset
10:26 / 22:48
Moonrise / Moonset
Waxing Crescent (23 %)
Moon phase

Updated: Jul 19, 2026, 6:41 CEST Jul 18, 2026, 23:41 CDT

Today's Summary

Right now Naperville has mist weather. The thermometer currently shows 22.2°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 23.5°C and 33.8°C.

Hourly forecast – Naperville, today

Jul 19, 00:00
21 °C
Clear
Naperville Jul 19, 00:00: Clear, 21 °C
Jul 19, 01:00
21 °C
Clear
Naperville Jul 19, 01:00: Clear, 21 °C
Jul 19, 02:00
20 °C
Clear
Naperville Jul 19, 02:00: Clear, 20 °C
Jul 19, 03:00
19 °C
Clear
Naperville Jul 19, 03:00: Clear, 19 °C
Jul 19, 04:00
19 °C
Sunny
Naperville Jul 19, 04:00: Sunny, 19 °C
Jul 19, 05:00
21 °C
Sunny
Naperville Jul 19, 05:00: Sunny, 21 °C
Jul 19, 06:00
22 °C
Smoky haze
Naperville Jul 19, 06:00: Smoky haze, 22 °C
Jul 19, 07:00
23 °C
Smoky haze
Naperville Jul 19, 07:00: Smoky haze, 23 °C
Jul 19, 08:00
24 °C
Smoky haze
Naperville Jul 19, 08:00: Smoky haze, 24 °C
Jul 19, 09:00
29 °C
Smoky haze
Naperville Jul 19, 09:00: Smoky haze, 29 °C
Jul 19, 10:00
28 °C
Sunny
Naperville Jul 19, 10:00: Sunny, 28 °C
Jul 19, 11:00
27 °C
Sunny
Naperville Jul 19, 11:00: Sunny, 27 °C
Jul 19, 12:00
28 °C
Sunny
Naperville Jul 19, 12:00: Sunny, 28 °C
Jul 19, 13:00
28 °C
Sunny
Naperville Jul 19, 13:00: Sunny, 28 °C
Jul 19, 14:00
28 °C
Sunny
Naperville Jul 19, 14:00: Sunny, 28 °C
Jul 19, 15:00
27 °C
Sunny
Naperville Jul 19, 15:00: Sunny, 27 °C
Jul 19, 16:00
26 °C
Sunny
Naperville Jul 19, 16:00: Sunny, 26 °C
Jul 19, 17:00
25 °C
Sunny
Naperville Jul 19, 17:00: Sunny, 25 °C
Jul 19, 18:00
22 °C
Sunny
Naperville Jul 19, 18:00: Sunny, 22 °C
Jul 19, 19:00
21 °C
Clear
Naperville Jul 19, 19:00: Clear, 21 °C
Jul 19, 20:00
20 °C
Clear
Naperville Jul 19, 20:00: Clear, 20 °C
Jul 19, 21:00
19 °C
Clear
Naperville Jul 19, 21:00: Clear, 19 °C
Jul 19, 22:00
19 °C
Clear
Naperville Jul 19, 22:00: Clear, 19 °C
Jul 19, 23:00
18 °C
Clear
Naperville Jul 19, 23:00: Clear, 18 °C
Time
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Naperville Jul 19, 00:00: Clear
Naperville Jul 19, 01:00: Clear
Naperville Jul 19, 02:00: Clear
Naperville Jul 19, 03:00: Clear
Naperville Jul 19, 04:00: Sunny
Naperville Jul 19, 05:00: Sunny
Naperville Jul 19, 06:00: Smoky haze
Naperville Jul 19, 07:00: Smoky haze
Naperville Jul 19, 08:00: Smoky haze
Naperville Jul 19, 09:00: Smoky haze
Naperville Jul 19, 10:00: Sunny
Naperville Jul 19, 11:00: Sunny
Naperville Jul 19, 12:00: Sunny
Naperville Jul 19, 13:00: Sunny
Naperville Jul 19, 14:00: Sunny
Naperville Jul 19, 15:00: Sunny
Naperville Jul 19, 16:00: Sunny
Naperville Jul 19, 17:00: Sunny
Naperville Jul 19, 18:00: Sunny
Naperville Jul 19, 19:00: Clear
Naperville Jul 19, 20:00: Clear
Naperville Jul 19, 21:00: Clear
Naperville Jul 19, 22:00: Clear
Naperville Jul 19, 23:00: Clear
Temperature (°C)
Chance of rain (%)
8
8
9
11
11
9
7
5
4
3
3
2
2
2
2
2
3
3
3
3
3
4
4
5
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (mph)
NE
6
NE
6
NNE
6
NNE
6
NNE
6
NE
5
NE
6
NE
6
NE
6
NE
6
NNE
6
NE
6
NNE
5
NE
6
NE
6
NE
6
ENE
6
ENE
5
ENE
5
E
5
ESE
4
ESE
4
SE
4
S
3
Pressure (hPa)
1015
1015
1015
1015
1016
1016
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
Humidity (%)
76 %
78 %
81 %
84 %
85 %
80 %
72 %
66 %
61 %
55 %
52 %
48 %
46 %
44 %
45 %
49 %
53 %
59 %
59 %
55 %
58 %
62 %
65 %
67 %
Cloud cover (%)
0 %
0 %
3 %
2 %
0 %
1 %
9 %
9 %
3 %
5 %
24 %
6 %
12 %
14 %
13 %
10 %
7 %
5 %
2 %
0 %
0 %
5 %
1 %
0 %

14-day weather forecast – Naperville

14-day trend for Naperville: The second week looks noticeably warmer and more pleasant. Lows can drop to around 12.7°C at night, with daytime highs up to 33.8°C.

Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
Naperville July 18, 2026: Sunny
Naperville July 19, 2026: Sunny
Naperville July 20, 2026: Sunny
Naperville July 21, 2026: Patchy rain possible
Naperville July 22, 2026: Sunny
Naperville July 23, 2026: Sunny
Naperville July 24, 2026: Partly cloudy
Naperville July 25, 2026: Sunny
Naperville July 26, 2026: Sunny
Naperville July 27, 2026: Sunny
Naperville July 28, 2026: Sunny
Naperville July 29, 2026: Sunny
Naperville July 30, 2026: Sunny
Naperville July 31, 2026: Sunny
Temperature (°C)
Chance of rain (%)
63
4
64
72
7
4
36
7
7
48
10
63
14
57
Precipitation
5.7 mm
—
3.8 mm
5.1 mm
0 mm
—
0.3 mm
—
—
0.9 mm
—
2.8 mm
0 mm
2.1 mm
Wind max (mph)
14
6
13
15
11
6
8
9
7
5
10
10
5
10
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 Naperville July 18, 2026: Sunny Sunny 24 °C 34 °C 05:33 20:24 10:26 22:48 Waxing Crescent (23 %)
July 19, 2026 Naperville July 19, 2026: Sunny Sunny 19 °C 29 °C 05:34 20:23 11:39 23:11 First Quarter (33 %)
July 20, 2026 Naperville July 20, 2026: Sunny Sunny 17 °C 27 °C 05:35 20:22 12:50 23:35 First Quarter (43 %)
July 21, 2026 Naperville July 21, 2026: Patchy rain possible Patchy rain possible 20 °C 27 °C 05:36 20:21 14:01 Does not set today First Quarter (53 %)
July 22, 2026 Naperville July 22, 2026: Sunny Sunny 13 °C 23 °C 05:37 20:20 15:10 00:01 First Quarter (64 %)
July 23, 2026 Naperville July 23, 2026: Sunny Sunny 13 °C 24 °C 05:38 20:20 16:17 00:32 Waxing Moon (74 %)
July 24, 2026 Naperville July 24, 2026: Partly cloudy Partly cloudy 15 °C 21 °C 05:39 20:19 17:20 01:08 Waxing Moon (82 %)
July 25, 2026 Naperville July 25, 2026: Sunny Sunny 15 °C 27 °C 05:39 20:18 18:16 01:53 Waxing Moon (90 %)
July 26, 2026 Naperville July 26, 2026: Sunny Sunny 18 °C 28 °C 05:40 20:17 19:03 02:45 Waxing Moon (95 %)
July 27, 2026 Naperville July 27, 2026: Sunny Sunny 20 °C 30 °C 05:41 20:16 19:42 03:43 Full Moon (99 %)
July 28, 2026 Naperville July 28, 2026: Sunny Sunny 22 °C 31 °C 05:42 20:15 20:13 04:45 Full Moon (100 %)
July 29, 2026 Naperville July 29, 2026: Sunny Sunny 21 °C 31 °C 05:43 20:14 20:40 05:49 Full Moon (99 %)
July 30, 2026 Naperville July 30, 2026: Sunny Sunny 22 °C 28 °C 05:44 20:13 21:02 06:52 Waning Moon (96 %)
July 31, 2026 Naperville July 31, 2026: Sunny Sunny 22 °C 32 °C 05:45 20:12 21:22 07:54 Waning Moon (91 %)
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