27.8 °C
Feels like 30.2 °C
Min 24 °C / Max 38 °C
Clear
Today's Summary
If you head out in Naperville today, you'll see a clear sky. The thermometer currently shows 27.8°C. Wear light, breathable clothes and drink plenty of fluids. During the day temperatures will range between 23.5°C and 37.7°C.
Hourly forecast – Naperville, today
Sep 1, 23:00
26 °C
Clear
Sep 2, 00:00
25 °C
Clear
Sep 2, 01:00
24 °C
Clear
Sep 2, 02:00
24 °C
Clear
Sep 2, 03:00
24 °C
Clear
Sep 2, 04:00
24 °C
Clear
Sep 2, 05:00
24 °C
Sunny
Sep 2, 06:00
25 °C
Partly cloudy
Sep 2, 07:00
25 °C
Overcast
Sep 2, 08:00
26 °C
Overcast
Sep 2, 09:00
28 °C
Sunny
Sep 2, 10:00
29 °C
Sunny
Sep 2, 11:00
30 °C
Sunny
Sep 2, 12:00
30 °C
Sunny
Sep 2, 13:00
30 °C
Sunny
Sep 2, 14:00
30 °C
Sunny
Sep 2, 15:00
30 °C
Sunny
Sep 2, 16:00
29 °C
Thundery outbreaks possible
Sep 2, 17:00
29 °C
Sunny
Sep 2, 18:00
27 °C
Thundery outbreaks possible
Sep 2, 19:00
27 °C
Clear
Sep 2, 20:00
27 °C
Clear
Sep 2, 21:00
25 °C
Patchy rain possible
Sep 2, 22:00
25 °C
Clear
Time
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
Temperature (°C)
Chance of rain (%)
7
7
8
8
9
6
8
13
20
16
5
4
4
4
4
5
6
11
10
19
11
9
16
7
Precipitation
Wind (km/h)
SSW
12
12
SSW
12
12
SSW
13
13
SSW
13
13
SSW
13
13
SW
12
12
SSW
11
11
SSW
10
10
SW
13
13
WSW
12
12
SW
15
15
SW
18
18
SW
18
18
WSW
19
19
WSW
18
18
SW
16
16
SW
16
16
SSW
8
8
S
10
10
SSW
8
8
S
7
7
SSE
9
9
S
12
12
S
14
14
Pressure (hPa)
1013
1013
1013
1013
1013
1013
1014
1014
1013
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1012
1012
1012
1011
1011
Humidity (%)
Cloud cover (%)
14-day weather forecast – Naperville
14-day trend for Naperville: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 9.8°C at night, with daytime highs up to 37.7°C.
Date
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Temperature (°C)
Chance of rain (%)
39
8
61
47
79
37
26
73
87
92
72
22
17
10
Precipitation
Wind max (km/h)
15
19
15
23
20
15
12
22
21
14
31
19
15
14
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| September 1, 2026 |
Sunny
|
24 °C | 38 °C | 06:18 | 19:26 | 21:12 | 11:05 | Waning Moon (70 %) |
| September 2, 2026 |
Sunny
|
24 °C | 30 °C | 06:19 | 19:24 | 21:43 | 12:14 | Last Quarter (60 %) |
| September 3, 2026 |
Patchy rain possible
|
23 °C | 29 °C | 06:20 | 19:23 | 22:22 | 13:25 | Last Quarter (50 %) |
| September 4, 2026 |
Thundery outbreaks possible
|
23 °C | 30 °C | 06:21 | 19:21 | 23:13 | 14:35 | Last Quarter (39 %) |
| September 5, 2026 |
Overcast
|
22 °C | 28 °C | 06:22 | 19:19 | Does not rise today | 15:39 | Waning Crescent (29 %) |
| September 6, 2026 |
Overcast
|
18 °C | 24 °C | 06:23 | 19:18 | 00:16 | 16:33 | Waning Crescent (20 %) |
| September 7, 2026 |
Overcast
|
18 °C | 22 °C | 06:24 | 19:16 | 01:30 | 17:18 | Waning Crescent (12 %) |
| September 8, 2026 |
Mist
|
20 °C | 23 °C | 06:25 | 19:14 | 02:50 | 17:53 | Waning Crescent (6 %) |
| September 9, 2026 |
Overcast
|
10 °C | 19 °C | 06:26 | 19:13 | 04:11 | 18:23 | New Moon (2 %) |
| September 10, 2026 |
Light rain shower
|
13 °C | 23 °C | 06:27 | 19:11 | 05:32 | 18:49 | New Moon (0 %) |
| September 11, 2026 |
Patchy rain possible
|
17 °C | 25 °C | 06:28 | 19:09 | 06:50 | 19:12 | New Moon (0 %) |
| September 12, 2026 |
Overcast
|
14 °C | 22 °C | 06:29 | 19:07 | 08:07 | 19:36 | New Moon (3 %) |
| September 13, 2026 |
Overcast
|
15 °C | 18 °C | 06:30 | 19:06 | 09:22 | 20:02 | Waxing Crescent (8 %) |
| September 14, 2026 |
Overcast
|
13 °C | 20 °C | 06:31 | 19:04 | 10:37 | 20:30 | Waxing Crescent (14 %) |