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Saint Charles, Illinois, United States
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Weather in Saint Charles, United States

40°
Clear
Feels like 40°
·
High40°Low25°

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Air quality

Full Details
0
59
500
Air quality:Moderate

Pollen index

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

Tomorrow's weather summary

The weather in Saint Charles on Friday, March 29th, will be clear for most of the day.

Also, there's a high chance of cloud overcast during the morning, at about 10 am.

Weather information for Saint Charles, on Friday, March 29th:

The highest temperature of the day will be 49°F at about 4 pm. The day will have high relative humidity, with average humidity of 62%, ranging from 41% to a maximum value of 77% at about 7 am. The wind will be breezy, and will get up to 11 mph at 11 pm, blowing from the south-east. The cloud coverage will range from 0% around midnight to as high as 100% around 11 pm with an average of 39%.

There is no probability for any precipitation throughout the day. The dew point will range from 19°F up to a maximum value of 28°F around 6 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 6:39 am, and sunset at 7:16 pm. The day will have 12 hours and 37 minutes of daylight.

Air quality forecast for Saint Charles, on Friday, March 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 35 and 42.

Pollen forecast for Saint Charles, on Friday, March 29th:

Tree pollen on this day is expected to have low 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 Charles on Saturday, March 30th, will be cloudy for most of the day.

Additionally, there will be drizzle before dawn, around 2 am.

Weather details for Saint Charles, on Saturday, March 30th:

The highest temperature of the day will be 45°F at about 3 pm. The day will have very high relative humidity, with average humidity of 77%, ranging from 62% to a maximum value of 86% at about 9 pm. The wind will be breezy, and will get up to 13 mph at 4 pm, blowing from the north-west. The cloud coverage throughout the day will be around 99%.

The chances of precipitation throughout the day will change between 0% and 25%. The highest chance for precipitation will be around 7 am and the lowest probability around midnight. The dew point will range from 23°F up to a maximum value of 37°F around 3 pm.

The visibility is expected to be good with average visibility of 11 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 6:37 am, and sunset at 7:17 pm, making it a total of 12 hours and 40 minutes of daylight.

Air quality forecast for Saint Charles, on Saturday, March 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 36 and 41.

Pollen forecast for Saint Charles, on Saturday, March 30th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low 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 Charles?
The average annual highest temperature in Saint Charles is 30.0°C (86.0°F), and the July 18th is the hottest day on average.
How cold does it get in Saint Charles?
The average annual lowest temperature in Saint Charles is -11.4°C (11.5°F), and the February 5th is the coldest day on average.
Which month has the most rain in Saint Charles?
The wettest months in Saint Charles are May and June.
What months does it snow in Saint Charles?
The most common time of year for snow is February, January, December and March.