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Naperville Weather Forecast

Temperature, wind, rain and more for Naperville

Illinois, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 15
Dec		03:00

SSW
SSW

 12 / 16 mph 5 / -10°F 76% 1032 mb
Low level cloud: 0%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 14 / 20 mph 8 / -9°F 75% 1029 mb
Low level cloud: 0%
Mid level cloud: 79%
High level cloud: 7%
Most Significant Cloud Type: medium
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 15 / 21 mph 13 / -3°F 70% 1026 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 16 / 21 mph 20 / 6°F 67% 1021 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 11 / 15 mph 23 / 12°F 76% 1020 mb
Low level cloud: 1%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: medium
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 6 / 9 mph 23 / 15°F 88% 1020 mb
Low level cloud: 5%
Mid level cloud: 25%
High level cloud: 5%
Most Significant Cloud Type: medium
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 5 / 10 mph 20 / 14°F 94% 1020 mb
Low level cloud: 12%
Mid level cloud: 4%
High level cloud: 15%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 16
Dec		00:00

SSW
SSW

 3 / 7 mph 18 / 13°F 96% 1019 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 77%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 4 / 8 mph 17 / 12°F 95% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 6 / 14 mph 19 / 10°F 89% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 10 / 17 mph 24 / 15°F 85% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 10%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 14 / 18 mph 34 / 24°F 83% 1011 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 13 / 20 mph 35 / 26°F 88% 1009 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 13 / 23 mph 33 / 24°F 92% 1009 mb
Low level cloud: 39%
Mid level cloud: 0%
High level cloud: 30%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 15 / 25 mph 34 / 25°F 93% 1008 mb
Low level cloud: 57%
Mid level cloud: 20%
High level cloud: 100%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Naperville:

Reviewing the forecast for Naperville Over the next 7 days and the average daytime maximum temperature will be around 1°C, with a high for the week of 7°C expected on the morning of Thursday 18th. The average minimum temperature will be -5°C, dipping to its lowest on the morning of Monday 15th at -16°C. Expect the next week to have mostly dry days although Thursday is likely to see a significant amount of rain, sleet or snow. The indicators are that Thursday 15th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be moderate.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure