Weather in Alton, United States
Weather Advisories
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Today's weather summary
The weather in Alton on Friday, July 24th, will vary throughout the day from cloudy weather to clear.
Looks like cloud overcast will emerge before dawn and a high probability for clear skies in the early morning.
Weather information for Alton, on Friday, July 24th:
The maximum temperature of the day is going to be 36°C around 4 pm. The day will be humid, with average humidity of 62%, ranging from 35% to a maximum value of 83% at about 8 am. The wind will be breezy, and will get up to 28 km/h at 6 pm, blowing from the south-east. The cloud coverage will range from 0% around 7 pm to as high as 100% around 3 am with an average of 34%.
There is no probability for any precipitation throughout the day. The dew point will range from 18°C up to a maximum value of 24°C around 9 am.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 6:54 am, and sunset at 8:24 pm, making it a total of 13 hours and 30 minutes of daylight.
Air quality forecast for Alton, on Friday, July 24th:
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 64 and 82.
Pollen forecast for Alton, on Friday, July 24th:
Tree pollen on this day is expected to have no risk. There's low risk of weed pollen, and as for grass pollen, this day is expected to have low risk.
The weather in Alton on Saturday, July 25th, will be cloudy throughout the day, with clear skies before dawn.
There's seems to be also high probability of few clouds before dawn around 3 am.
Weather details for Alton, on Saturday, July 25th:
The maximum temperature during the day will be 37°C at about 4 pm. The day will be humid, with average humidity of 62%, ranging from 27% to a maximum value of 91% at about 6 am. The wind will be breezy, and will get up to 26 km/h at 7 pm, blowing from the south-east. The cloud coverage will range from 0% around 11 pm to as high as 100% around 10 pm with an average of 62%.
There is no probability for any precipitation throughout the day. The dew point will range from 15°C up to a maximum value of 24°C around 8 am.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 6:55 am, and sunset at 8:24 pm, making it a total of 13 hours and 29 minutes of daylight.
Air quality forecast for Alton, on Saturday, July 25th:
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 57 and 75.
Pollen forecast for Alton, on Saturday, July 25th:
Tree pollen on this day is expected to have no risk. There's low risk of weed pollen, and as for grass pollen, this day is expected to have low risk.
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