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

53°
Mostly clear
Feels like 53°
·
High84°Low52°

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Air quality

Full Details
0
29
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 County on Tuesday, April 29th, will be cloudy for most of the day, together with clear skies in the afternoon.

There is also a chance for some clouds before dawn around 3 am.

Weather details for DeKalb County, on Tuesday, April 29th:

The maximum temperature during the day is going to be 66°F around 5 am. The day will have very high relative humidity, with average humidity of 70%, ranging from 50% to a maximum value of 92% at about 1 am. The wind will be breezy, and will get up to 17 mph at 8 am, blowing from the west. The cloud coverage will range from 1% around 7 pm to as high as 100% around 1 am with an average of 63%.

The precipitation probability will change throughout the day between 0% and 20%. The highest chance for precipitation will be around midnight and the lowest probability around 1 am. The dew point will range from 45°F up to a maximum value of 63°F around midnight.

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 1013 hPa. Sunrise will be at 5:53 am, and sunset at 7:45 pm, making it a total of 13 hours and 52 minutes of daylight.

Air quality forecast for DeKalb County, on Tuesday, April 29th:

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 31 and 46.

Pollen forecast for DeKalb County, on Tuesday, April 29th:

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 Wednesday, April 30th, will be cloudy throughout the entire day with no significant change.

Weather details for DeKalb County, on Wednesday, April 30th:

The highest temperature during the day is going to be 58°F around 1 pm. The day will have very high relative humidity, with average humidity of 78%, ranging from 63% to a maximum value of 93% at about 4 am. The wind will be light, and will get up to 9 mph at 11 am, blowing from the east. The cloud coverage will range from 78% around 10 am to as high as 100% around 11 pm with an average of 95%.

The chances of precipitation throughout the day will change between 0% and 10%. The highest chance for precipitation will be around 2 pm and the lowest probability around midnight. The dew point will range from 42°F up to a maximum value of 45°F around 1 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 1017 hPa. Sunrise will be at 5:52 am, and sunset at 7:46 pm. The day will have 13 hours and 54 minutes of daylight.

Air quality forecast for DeKalb County, on Wednesday, April 30th:

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 23 and 40.

Pollen forecast for DeKalb County, on Wednesday, April 30th:

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.