Weather in Alton, United States
Weather Advisories
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Today's weather summary
The weather in Alton on Thursday, June 5th, is going to be cloudy throughout the day, with clear skies in the early morning.
There is also a chance for many clouds in the early morning around 5 am.
Weather details for Alton, on Thursday, June 5th:
The maximum temperature during the day is going to be 68°F around 4 pm. The day will have comfortable humidity, with average humidity of 47%, ranging from 33% to a maximum value of 68% at about 7 am. The wind will be light, and will get up to 8 mph at 1 pm, blowing from the west. The cloud coverage will range from 0% around 8 am to as high as 100% around 11 pm with an average of 66%.
The chances of precipitation throughout the day will change between 0% and 20%. The highest chance for precipitation will be around noon and the lowest probability around midnight. The dew point will range from 29°F up to a maximum value of 43°F around 8 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 1012 hPa. Sunrise will be at 6:13 am, and sunset at 8:38 pm, making it a total of 14 hours and 25 minutes of daylight.
Air quality forecast for Alton, on Thursday, June 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 34 and 56.
Pollen forecast for Alton, on Thursday, June 5th:
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 medium risk.
The weather in Alton on Friday, June 6th, will change throughout the day from raining lightly condition to clear.
According to our models light rain will emerge around noon and a high probability for clear skies before dawn.
Weather details for Alton, on Friday, June 6th:
The highest temperature of the day is going to be 73°F at about 3 pm. The day will have comfortable humidity, with average humidity of 58%, ranging from 26% to a maximum value of 85% at about 11 pm. The wind will be breezy, and will get up to 10 mph at 4 pm, blowing from the north. The cloud coverage will range from 0% around 4 am to as high as 100% around midnight with an average of 44%.
The precipitation probability will change throughout the day between 0% and 10%. The highest chance for precipitation will be around 4 pm and the lowest probability around midnight. The dew point will range from 36°F up to a maximum value of 50°F around 9 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 1015 hPa. Sunrise will be at 6:13 am, and sunset at 8:39 pm, making it a total of 14 hours and 26 minutes of daylight.
Air quality forecast for Alton, on Friday, June 6th:
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 32 and 58.
Pollen forecast for Alton, on Friday, June 6th:
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 medium risk.
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