Nearby locations
Cook County, Illinois, United States
Near North Side, Illinois, United States
Chicago Loop, Illinois, United States
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Marcor Heliport, United States
Durse Park, United States
Park 315, United States

Weather in Cook County, United States

86°
Mostly clear
Feels like 89°
·
High88°Low66°
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Air quality

Full Details
0
33
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 Cook County on Friday, April 4th, is going to be cloudy throughout the day, with moderate rain in the early morning.

There is also a chance for drizzle before dawn at about 2 am.

Weather details for Cook County, on Friday, April 4th:

The maximum temperature of the day is going to be 67°F around 6 pm. The day will have very high relative humidity, with average humidity of 90%, ranging from 81% to a maximum value of 99% at about 9 pm. The wind will be breezy, and will get up to 12 mph at 10 am, blowing from the east. The cloud coverage throughout the day will be around 100%.

The chances of precipitation throughout the day will change between 0% and 60%. The highest chance for precipitation will be around 6 am and the lowest probability around midnight. The dew point will range from 49°F up to a maximum value of 64°F around 9 pm.

The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 6:25 am, and sunset at 7:11 pm, making it a total of 12 hours and 46 minutes of daylight.

Air quality forecast for Cook County, on Friday, April 4th:

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 22 and 42.

Pollen forecast for Cook County, on Friday, April 4th:

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Cook County on Saturday, April 5th, will be throughout the day, with light rain before dawn.

There's seems to be also high probability of cloud overcast before dawn around 12 am.

Weather details for Cook County, on Saturday, April 5th:

The maximum temperature of the day is going to be 69°F around noon. The day will have very high relative humidity, with average humidity of 98%. The wind will be breezy, and will get up to 15 mph at noon, blowing from the south-west. The cloud coverage throughout the day will be around 100%.

The chances of precipitation throughout the day will change between 40% and 75%. The highest chance for precipitation will be around 6 pm and the lowest probability around 11 am. The dew point will range from 50°F up to a maximum value of 67°F around 2 pm.

The visibility is expected to be low with average visibility of 2 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1011 hPa. Sunrise will be at 6:24 am, and sunset at 7:12 pm, making it a total of 12 hours and 48 minutes of daylight.

Air quality forecast for Cook County, on Saturday, April 5th:

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 32.

Pollen forecast for Cook County, on Saturday, April 5th:

Tree pollen on this day is expected to have very high 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 Cook County?
The average annual highest temperature in Cook County is 29.2°C (84.6°F), and the July 18th is the hottest day on average.
How cold does it get in Cook County?
The average annual lowest temperature in Cook County is -8.9°C (16.0°F), and the February 5th is the coldest day on average.
Which month has the most rain in Cook County?
The wettest months in Cook County are May and April.
What months does it snow in Cook County?
The most common time of year for snow is February, January, December and March.