Nearby locations
Saint Clair County, Illinois, United States
Wilderman, Illinois, United States
Freeburg, Illinois, United States
Nearby popular places
Scotts Pond, United States
Julius J Knobeloch Woods Nature Preserve, United States
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Weather in Saint Clair County, United States

55°
Rain
Feels like 55°
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High61°Low50°
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Air quality

Full Details
0
27
500
Air quality:Good

Pollen index

Full Details
Tree
1/5
012345
Weed
0/5
012345
Grass
0/5
012345

Today's weather summary

The weather in Saint Clair County on Saturday, April 5th, will be clear throughout the day, together with cloud overcast before dawn.

There is also a chance for some clouds in the early morning around 7 am.

Weather information for Saint Clair County, on Saturday, April 5th:

The maximum temperature during the day is going to be 40°F at about 4 pm. The day will have high relative humidity, with average humidity of 67%, ranging from 48% to a maximum value of 84% at about 2 am. The wind will be breezy, and will get up to 17 mph at 1 pm, blowing from the north-west. The cloud coverage will range from 0% around 8 am to as high as 100% around 6 am with an average of 36%.

There is no probability for any precipitation throughout the day. The dew point will range from 19°F up to a maximum value of 35°F around midnight.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1027 hPa. Sunrise will be at 6:46 am, and sunset at 7:44 pm. The day will have 12 hours and 58 minutes of daylight.

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

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 43 and 80.

Pollen forecast for Saint Clair County, on Saturday, April 5th:

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 Saint Clair County on Sunday, April 6th, will be clear throughout the day.

Also, there's a high chance of few clouds around noon, at about 11 am.

Weather information for Saint Clair County, on Sunday, April 6th:

The highest temperature of the day is going to be 47°F at about 3 pm. The day will have high relative humidity, with average humidity of 61%, ranging from 37% to a maximum value of 78% at about 7 am. The wind will be breezy, and will get up to 13 mph at 6 pm, blowing from the north-west. The cloud coverage will range from 0% around midnight to as high as 100% around 7 am with an average of 8%.

There is no probability for any precipitation throughout the day. The dew point will range from 18°F up to a maximum value of 29°F around 1 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1020 hPa. Sunrise will be at 6:44 am, and sunset at 7:46 pm. The day will have 13 hours and 2 minutes of daylight.

Air quality forecast for Saint Clair County, on Sunday, April 6th:

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 46 and 63.

Pollen forecast for Saint Clair County, on Sunday, April 6th:

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 Saint Clair County?
The average annual highest temperature in Saint Clair County is 33.1°C (91.6°F), and the July 26th is the hottest day on average.
How cold does it get in Saint Clair County?
The average annual lowest temperature in Saint Clair County is -6.5°C (20.3°F), and the January 5th is the coldest day on average.
Which month has the most rain in Saint Clair County?
The wettest months in Saint Clair County are April and May.
What months does it snow in Saint Clair County?
The most common time of year for snow is February, January and December.