Naperville, Illinois · now
Partly Cloudy
- High / Low
- 63° / 41°
- Wind
- 17 mph NW
- Humidity
- 72%
Tomorrow· Thursday69°/48°· Sunny
5° warmer than yesterday at this time
Current weather and 7-day forecast for Naperville, Illinois, sourced directly from the National Weather Service. Expect partly sunny today. Today's high is 63° with a low near 41°.
What to wear today
Long sleeves or short — your call
Sweet spot at 63°F. Most people will be comfortable in either.
Temperature · next 24 hours
Next 24 hours
-
7 AM
51°
0%
-
9 AM
53°
0%
-
11 AM
55°
0%
-
1 PM
59°
0%
-
3 PM
63°
0%
-
5 PM
63°
0%
-
7 PM
61°
0%
-
9 PM
54°
0%
-
11 PM
48°
0%
-
1 AM
45°
0%
-
3 AM
42°
0%
-
5 AM
42°
0%
Live radar
View full radar →7 days
- Today 5/13 Partly Sunny 0% 63° · 41°
- Thu 5/14 Sunny 31% 69° · 48°
- Fri 5/15
Chance Rain Showers 39% 76° · 56° - Sat 5/16
Chance Showers And Thunderstorms 62% 86° · 59° - Sun 5/17 Chance Showers And Thunderstorms 50% 81° · 63°
- Mon 5/18 Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 60% 87° · 61°
- Tue 5/19 Rain Showers Likely 68% 75° · 53°
Extended outlook days 8–16
- Wed 5/20
Cloudy 44% 59° · 49° - Thu 5/21 Mostly Sunny 21% 70° · 48°
- Fri 5/22 Mostly Sunny 21% 76° · 55°
- Sat 5/23 Cloudy 21% 82° · 59°
- Sun 5/24
Drizzle 23% 79° · 69° - Mon 5/25 Drizzle 26% 83° · 68°
- Tue 5/26 Drizzle 26% 71° · 66°
- Wed 5/27 Drizzle 24% 73° · 56°
- Thu 5/28
Partly Cloudy 43% 61° · 48°
Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.
Best time to head outside
Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.
- Run8 AM
comfortable at 52°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Bike2 PM
comfortable at 62°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent99 / 100 - Golf2 PM
comfortable at 62°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Picnic3 PM
cool but workable at 63°F · breezy (15 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent91 / 100
Climate normals
What weather to expect in Naperville
Naperville in May typically averages 70° highs and 49° lows, with about 16 days of rain. The hottest stretch is June (average high 83°); the coldest is January (average low 14°). July is the wettest month on average.
| Month | Avg high | Avg low | Rainy days |
|---|---|---|---|
| Jan | 28° | 14° | 12 |
| Feb | 37° | 21° | 8 |
| Mar | 53° | 33° | 15 |
| Apr | 62° | 43° | 18 |
| May | 70° | 49° | 16 |
| Jun | 83° | 63° | 14 |
| Jul | 83° | 66° | 20 |
| Aug | 82° | 64° | 12 |
| Sep | 78° | 59° | 6 |
| Oct | 67° | 48° | 7 |
| Nov | 50° | 37° | 13 |
| Dec | 35° | 22° | 15 |
Normals derived from the past two years of observations via Open-Meteo's historical archive.
More for Naperville