Nearby locations
DeKalb, Illinois, United States
DeKalb County, Illinois, United States
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Weather in DeKalb, United States

25°
Mostly clear
Feels like 25°
·
High25°Low15°

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Air quality

Full Details
0
47
500
Air quality:Good

Pollen index

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

Tomorrow's weather summary

The weather in DeKalb on Saturday, July 25th, will change throughout the day from cloudy condition to clear.

According to our models cloud overcast will appear in the early morning and there is a high chance for clear skies before dawn.

Weather information for DeKalb, on Saturday, July 25th:

The maximum temperature of the day will be 28°C around 6 pm. The day will have very high relative humidity, with average humidity of 73%, ranging from 65% to a maximum value of 90% at about 10 am. The wind will be light, and will get up to 16 km/h at noon, blowing from the south. The cloud coverage will range from 0% around midnight to as high as 100% around 10 am with an average of 44%.

There is no probability for any precipitation throughout the day. The dew point will range from 12°C up to a maximum value of 21°C around 6 pm.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 5:41 am, and sunset at 8:21 pm. The day will have 14 hours and 40 minutes of daylight.

Air quality forecast for DeKalb, on Saturday, July 25th:

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 28 and 60.

Pollen forecast for DeKalb, on Saturday, July 25th:

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 DeKalb on Sunday, July 26th, is going to be cloudy throughout the day.

There is also a chance of clear skies before dawn, around 12 am.

Weather information for DeKalb, on Sunday, July 26th:

The maximum temperature of the day will be 32°C around 4 pm. The day will be extremely humid, with average humidity of 82%, ranging from 63% to a maximum value of 93% at about 7 am. The wind will be breezy, and will get up to 17 km/h at 5 pm, blowing from the south-west. The cloud coverage will range from 0% around midnight to as high as 100% around 10 pm with an average of 68%.

There is no probability for any precipitation throughout the day. The dew point will range from 19°C up to a maximum value of 25°C around 8 pm.

The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 5:42 am, and sunset at 8:20 pm. The day will have 14 hours and 38 minutes of daylight.

Air quality forecast for DeKalb, on Sunday, July 26th:

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 24 and 52.

Pollen forecast for DeKalb, on Sunday, July 26th:

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 DeKalb?
The average annual highest temperature in DeKalb is 29.7°C (85.5°F), and the July 18th is the hottest day on average.
How cold does it get in DeKalb?
The average annual lowest temperature in DeKalb is -12.0°C (10.4°F), and the January 14th is the coldest day on average.
Which month has the most rain in DeKalb?
The wettest months in DeKalb are May and June.
What months does it snow in DeKalb?
The most common time of year for snow is February, January, December and March.