Weather in Saint Louis, United States
Weather Advisories
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Today's weather summary
The weather in Saint Louis on Saturday, April 20th, is going to be cloudy for most of the day, with clear skies around noon.
There is also a chance for some clouds during the morning around 9 am.
Weather details for Saint Louis, on Saturday, April 20th:
The highest temperature of the day will be 69°F at about 5 pm. The day will have comfortable humidity, with average humidity of 51%, ranging from 28% to a maximum value of 80% at about 5 am. The wind will be breezy, and will get up to 13 mph at 11 pm, blowing from the north-west. The cloud coverage will range from 0% around 1 pm to as high as 100% around 6 am with an average of 54%.
The chances of precipitation throughout the day will change between 0% and 45%. The highest chance for precipitation will be around 5 am and the lowest probability around midnight. The dew point will range from 31°F up to a maximum value of 49°F around 3 am.
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 1016 hPa. Sunrise will be at 6:25 am, and sunset at 7:47 pm. The day will have 13 hours and 22 minutes of daylight.
Air quality forecast for Saint Louis, on Saturday, April 20th:
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 47.
Pollen forecast for Saint Louis, on Saturday, April 20th:
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 very low risk.
The weather in Saint Louis on Sunday, April 21st, is going to be cloudy throughout the day.
Also, there's a high chance of some clouds in the early morning, around 5 am.
Weather details for Saint Louis, on Sunday, April 21st:
The highest temperature of the day will be 60°F around 4 pm. The day will have comfortable humidity, with average humidity of 46%, ranging from 34% to a maximum value of 64% at about 6 am. The wind will be breezy, and will get up to 12 mph at midnight, blowing from the north. The cloud coverage will range from 0% around 6 am to as high as 100% around 11 pm with an average of 91%.
There is no probability for any precipitation throughout the day. The dew point will range from 28°F up to a maximum value of 33°F around 7 pm.
The visibility is expected to be good with average visibility of 11 mi throughout the day. Atmospheric pressure will be high with average pressure of 1018 hPa. Sunrise will be at 6:24 am, and sunset at 7:48 pm. The day will have 13 hours and 24 minutes of daylight.
Air quality forecast for Saint Louis, on Sunday, April 21st:
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 27 and 57.
Pollen forecast for Saint Louis, on Sunday, April 21st:
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 very low risk.
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