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Naperville IL Weather - Clear - 75°F
Clear
75°F
Updated 11:40 am
Feels Like 74°F
Humidity 49%
Wind SE 8 mph
Barometer  30.06 in
Dew Point 55°F
Naperville IL Weather - Clear - 24°C
Clear
24°C
Updated 11:40 am
Feels Like 23°C
Humidity 49%
Wind SE 13 km/h
Barometer  101.8 kPa
Dew Point 13°C
Naperville, IL Weather and Current Conditionsnaperville il weather forecast

Naperville, IL Weather Forecast

Naperville Illinois WeatherNaperville, Illinois Weather Weather Forecast
14 day API weather forecast for Naperville, Illinois. Note: The 7-day weather forecast for Naperville, IL is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Naperville, IL Weather Forecast Dated: 1140 AM Fri Sep 11 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Friday, September 11, 2026

Mid-Morning
Naperville Weather - 2026-09-11 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Naperville Weather - 2026-09-11 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Naperville Weather - 2026-09-11 - Evening - Sunny
72°F 22°C
Sunny
Warm and summery near 83°F 28°C, sunny throughout the day, with increasing humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Naperville Weather - 2026-09-12 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Naperville Weather - 2026-09-12 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Naperville Weather - 2026-09-12 - Evening - Sunny
77°F 25°C
Sunny
Quite warm reaching 80°F 27°C, feeling like 83°F 28°C during peak afternoon, sunny throughout the day, with steady humidity and steady pressure. Winds out of the SW at 10 mph 17 km/h.

Sunday, September 13, 2026

Mid-Morning
Naperville Weather - 2026-09-13 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Naperville Weather - 2026-09-13 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Naperville Weather - 2026-09-13 - Evening - Overcast
66°F 19°C
Overcast
Enjoyable around 70°F 21°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the NE to the ENE at 8 mph 13 km/h.

Monday, September 14, 2026

Mid-Morning
Naperville Weather - 2026-09-14 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Naperville Weather - 2026-09-14 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Naperville Weather - 2026-09-14 - Evening - Cloudy
75°F 24°C
Cloudy
Mild temperatures up to 69°F 20°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and barometric pressure falling. Winds moving from the E to the SE at 13 mph 20 km/h. Gusts up to 30 mph 47 km/h.

Tuesday, September 15, 2026

Mid-Morning
Naperville Weather - 2026-09-15 - Morning - Scattered Showers
72°F 22°C
Scattered Showers
Mid-Afternoon
Naperville Weather - 2026-09-15 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Naperville Weather - 2026-09-15 - Evening - Overcast
75°F 24°C
Overcast
Quite warm reaching 80°F 27°C, feeling like 84°F 29°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the WSW to the N at 5 mph 8 km/h.

Wednesday, September 16, 2026

Mid-Morning
Naperville Weather - 2026-09-16 - Morning - Light Showers
69°F 20°C
Light Showers
Mid-Afternoon
Naperville Weather - 2026-09-16 - Afternoon - Light Showers
66°F 19°C
Light Showers
Early-Evening
Naperville Weather - 2026-09-16 - Evening - Light Showers
63°F 18°C
Light Showers
Mildly cool near 66°F 19°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds blowing from the NNE at 11 mph 18 km/h. Gusts up to 22 mph 35 km/h.

Thursday, September 17, 2026

Mid-Morning
Naperville Weather - 2026-09-17 - Morning - Overcast
58°F 14°C
Overcast
Mid-Afternoon
Naperville Weather - 2026-09-17 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Naperville Weather - 2026-09-17 - Evening - Sunny
60°F 16°C
Sunny
Comfortable at 65°F 18°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds WSW at 11 mph 18 km/h.

Friday, September 18, 2026

Mid-Morning
Naperville Weather - 2026-09-18 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Naperville Weather - 2026-09-18 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Naperville Weather - 2026-09-18 - Evening - Sunny
60°F 16°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Naperville Weather - 2026-09-19 - Morning - Partly Cloudy
56°F 13°C
Partly Cloudy
Mid-Afternoon
Naperville Weather - 2026-09-19 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Naperville Weather - 2026-09-19 - Evening - Sunny
63°F 17°C
Sunny
Mild temperatures up to 68°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Naperville Weather - 2026-09-20 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Naperville Weather - 2026-09-20 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Naperville Weather - 2026-09-20 - Evening - Sunny
66°F 19°C
Sunny
Mild with a high of 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Naperville Weather - 2026-09-21 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Naperville Weather - 2026-09-21 - Afternoon - Partly Cloudy
72°F 22°C
Partly Cloudy
Early-Evening
Naperville Weather - 2026-09-21 - Evening - Partly Cloudy
66°F 19°C
Partly Cloudy
Pleasant near 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the SSE at 8 mph 13 km/h.

Tuesday, September 22, 2026

Mid-Morning
Naperville Weather - 2026-09-22 - Morning - Sunny
62°F 16°C
Sunny
Mid-Afternoon
Naperville Weather - 2026-09-22 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Naperville Weather - 2026-09-22 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds moving from the SSE to the SE at 5 mph 8 km/h.

Wednesday, September 23, 2026

Mid-Morning
Naperville Weather - 2026-09-23 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
Naperville Weather - 2026-09-23 - Afternoon - Sunny
76°F 25°C
Sunny
Early-Evening
Naperville Weather - 2026-09-23 - Evening - Sunny
72°F 22°C
Sunny
Enjoyable around 76°F 25°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.

Thursday, September 24, 2026

Mid-Morning
Naperville Weather - 2026-09-24 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Naperville Weather - 2026-09-24 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Naperville Weather - 2026-09-24 - Evening - Scattered Showers
72°F 22°C
Scattered Showers
Mild temperatures up to 75°F 24°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the SE to the S at 6 mph 9 km/h.

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Weather by the Numbers

Fri, 11th
Naperville IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 86°F 30°C
Lo: 57°F 14°C
Sunrise 06:29 AM
Sunset 07:09 PM
Wind SSE 9 mph14 km/h
Dew Point 58°F14°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 42%
Sat, 12th
Naperville IL Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 80°F 27°C
Lo: 64°F 18°C
Sunrise 06:30 AM
Sunset 07:07 PM
Wind SW 11 mph18 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 18% *
Humidity 72%
Sun, 13th
Naperville IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 73°F 23°C
Lo: 65°F 18°C
Sunrise 06:31 AM
Sunset 07:05 PM
Wind NNE 8 mph13 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 20% *
Humidity 74%
Mon, 14th
Naperville IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 78°F 25°C
Lo: 61°F 16°C
Sunrise 06:32 AM
Sunset 07:04 PM
Wind E 9 mph14 km/h
Dew Point 56°F13°C
uv Index 2
Barometric Pressure 30.12 in1020 mb
POP 21% *
Humidity 76%
Tue, 15th
Naperville IL Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 80°F 27°C
Lo: 69°F 21°C
Sunrise 06:33 AM
Sunset 07:02 PM
Wind S 6 mph10 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 39% *
Humidity 86%
Wed, 16th
Naperville IL Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 70°F 21°C
Lo: 61°F 16°C
Sunrise 06:34 AM
Sunset 07:00 PM
Wind NE 9 mph14 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 51% *
Humidity 91%
Thu, 17th
Naperville IL Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 66°F 19°C
Lo: 54°F 12°C
Sunrise 06:35 AM
Sunset 06:58 PM
Wind NNE 10 mph15 km/h
Dew Point 51°F11°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 19% *
Humidity 71%
Fri, 18th
Naperville IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 65°F 19°C
Lo: 50°F 10°C
Sunrise 06:36 AM
Sunset 06:57 PM
Wind WNW 4 mph6 km/h
Dew Point 49°F9°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 60%
Sat, 19th
Naperville IL Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 69°F 20°C
Lo: 50°F 10°C
Sunrise 06:37 AM
Sunset 06:55 PM
Wind WNW 4 mph6 km/h
Dew Point 47°F9°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 3% *
Humidity 55%
Sun, 20th
Naperville IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 72°F 22°C
Lo: 55°F 13°C
Sunrise 06:38 AM
Sunset 06:53 PM
Wind SW 4 mph6 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 58%
Mon, 21st
Naperville IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 73°F 23°C
Lo: 59°F 15°C
Sunrise 06:39 AM
Sunset 06:51 PM
Wind SE 7 mph11 km/h
Dew Point 56°F14°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 61%
Tue, 22nd
Naperville IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 74°F 23°C
Lo: 56°F 14°C
Sunrise 06:40 AM
Sunset 06:50 PM
Wind SSE 9 mph14 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 6% *
Humidity 59%
Wed, 23rd
Naperville IL Weather - Wednesday, Sep 23, 2026 - Partly Cloudy
Hi: 77°F 25°C
Lo: 64°F 18°C
Sunrise 06:41 AM
Sunset 06:48 PM
Wind S 5 mph8 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 5% *
Humidity 62%
Thu, 24th
Naperville IL Weather - Thursday, Sep 24, 2026 - Cloudy
Hi: 75°F 24°C
Lo: 63°F 17°C
Sunrise 06:42 AM
Sunset 06:46 PM
Wind SE 10 mph15 km/h
Dew Point 58°F15°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 13% *
Humidity 59%
* POP = Probability of Precipitation. Data for 12:00 PM.