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Naperville, Illinois, United States
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Weather in Naperville, United States

90°
Mostly clear
Feels like 93°
·
High91°Low72°
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Air quality

Full Details
0
57
500
Air quality:Moderate

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in Naperville on Monday, July 20th, will vary throughout the day from cloudy condition to clear.

According to our models cloud overcast will emerge before dawn and a high probability for clear skies before dawn.

Weather information for Naperville, on Monday, July 20th:

The maximum temperature during the day will be 90°F around 4 pm. The day will be humid, with average humidity of 64%, ranging from 45% to a maximum value of 90% at about 6 am. The wind will be breezy, and will get up to 12 mph at 4 pm, blowing from the south-west. The cloud coverage will range from 0% around midnight to as high as 100% around 7 pm with an average of 45%.

There is no probability for any precipitation throughout the day. The dew point will range from 59°F up to a maximum value of 70°F around 11 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1010 hPa. Sunrise will be at 5:35 am, and sunset at 8:22 pm, making it a total of 14 hours and 47 minutes of daylight.

Air quality forecast for Naperville, on Monday, July 20th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 49 and 97.

Pollen forecast for Naperville, on Monday, July 20th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Naperville on Tuesday, July 21st, will be mostly clear throughout the day, with clear skies before dawn.

There's seems to be also high probability of some clouds before dawn at about 4 am.

Weather details for Naperville, on Tuesday, July 21st:

The highest temperature of the day will be 91°F around 2 pm. The day will have comfortable humidity, with average humidity of 58%, ranging from 34% to a maximum value of 80% at about 6 am. The wind will be breezy, and will get up to 15 mph at 3 pm, blowing from the north-west. The cloud coverage will range from 0% around 7 am to as high as 87% around 5 am with an average of 25%.

The chances of precipitation throughout the day will change between 0% and 10%. The highest chance for precipitation will be around 3 pm and the lowest probability around midnight. The dew point will range from 58°F up to a maximum value of 71°F around 2 am.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be low with average pressure of 1006 hPa. Sunrise will be at 5:35 am, and sunset at 8:21 pm, making it a total of 14 hours and 46 minutes of daylight.

Air quality forecast for Naperville, on Tuesday, July 21st:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 57.

Pollen forecast for Naperville, on Tuesday, July 21st:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

FAQ

How warm does it get in Naperville?
The average annual highest temperature in Naperville is 30.3°C (86.5°F), and the July 18th is the hottest day on average.
How cold does it get in Naperville?
The average annual lowest temperature in Naperville is -10.9°C (12.4°F), and the January 14th is the coldest day on average.
Which month has the most rain in Naperville?
The wettest months in Naperville are June and May.
What months does it snow in Naperville?
The most common time of year for snow is February, January, December and March.