East Alton, IL Weather


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The most pleasant months of the year for East Alton are May, September and June. In East Alton, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for East Alton with an average high temperature of 88.8°, which ranks it as one of the hottest places in Illinois. January is the snowiest month in East Alton with 4.7 inches of snow, and 5 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - East Alton, IL

2 PM PST

Chance Showers And Thunderstorms

71°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonChance Showers And Thunderstorms73° / 66°S 15 mph
SundayShowers And Thunderstorms Likely78° / 62°S 15 to 20 mph
MondayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms77° / 54°SW 13 mph
TuesdaySunny81° / 63°SE 3 to 14 mph
WednesdayChance Showers And Thunderstorms84° / 65°S 8 to 12 mph
ThursdayChance Showers And Thunderstorms81° / 60°S 12 to 16 mph
FridayChance Showers And Thunderstorms75° / 55°W 14 mph

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 15 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the East Alton area is 7.3 (10=best), which means it is more comfortable than most places in Illinois.

7.3 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January40° 23°
February44° 27°
March55° 36°
April67° 46°
May76° 56°
June85° 66°
July89° 70°
August88° 68°
September80° 59°
October69° 48°
November56° 37°
December42° 26°
Hot, Freezing, Rainy, Snowy Days: East Alton
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January02583
February01983
March011101
April02100
May10110
June8090
July14080
August11080
September4070
October0180
November0990
December02293

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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