Nearby locations
DeKalb County, Illinois, United States
Elva, Illinois, United States
DeKalb, Illinois, United States
Nearby popular places
McCormack Park, United States
Shipman Park, United States
Uncle Chuck's Airport, United States

Weather in DeKalb County, United States

19°
Cloudy
Feels like 19°
·
High26°Low15°
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Air quality

Full Details
0
52
500
Air quality:Moderate

Pollen index

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

Today's weather summary

The weather in DeKalb County on Friday, July 24th, will be clear throughout the day, together with cloud overcast before dawn.

There's seems to be also high probability of some clouds before dawn around 2 am.

Weather details for DeKalb County, on Friday, July 24th:

The highest temperature of the day is going to be 26°C around 5 pm. The day will have high relative humidity, with average humidity of 63%, ranging from 36% to a maximum value of 92% at about 6 am. The wind will be light, and will get up to 12 km/h at 5 pm, blowing from the south. The cloud coverage will range from 0% around 4 pm to as high as 100% around noon with an average of 42%.

There is no probability for any precipitation throughout the day. The dew point will range from 9°C up to a maximum value of 15°C around 8 am.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 5:40 am, and sunset at 8:21 pm, making it a total of 14 hours and 41 minutes of daylight.

Air quality forecast for DeKalb County, on Friday, July 24th:

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 36 and 60.

Pollen forecast for DeKalb County, on Friday, July 24th:

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 County on Saturday, July 25th, is going to be cloudy throughout the day, with clear skies before dawn.

There is also a chance for many clouds around noon at about 2 pm.

Weather details for DeKalb County, on Saturday, July 25th:

The maximum temperature during the day is going to be 27°C at about 5 pm. The day will have very high relative humidity, with average humidity of 74%, ranging from 63% to a maximum value of 87% at about 11 pm. The wind will be light, and will get up to 13 km/h at 3 pm, blowing from the south. The cloud coverage will range from 0% around midnight to as high as 100% around 1 pm with an average of 63%.

There is no probability for any precipitation throughout the day. The dew point will range from 13°C up to a maximum value of 21°C around 8 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 1015 hPa. Sunrise will be at 5:41 am, and sunset at 8:21 pm, making it a total of 14 hours and 40 minutes of daylight.

Air quality forecast for DeKalb County, 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 County, 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.

FAQ

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