Weather forecast for 10 days
Alton, IL

Weather forecast for the weekend

Sunday, May 4.

Cloudy
5:57 am

7:57 pm
CDT
Cloudy
61°F / 48°F
  • Wind: 13mph N
  • Humidity: 69%
  • Precip. probability: 15%
  • Precipitation: 0"
  • UV index: 4
Today, on Sunday, May 4, cloud coverage will be extensive.
Expected temperatures will peak at a comfortable 60.8°F and dip to a minimum of a chilly 48.2°F.
The expected high of 60.8°F appears seasonally off, better matching April's typical values.
Sunrise will be at 5:57 am and sunset at 7:57 pm; the daylight will last for 14h and 1min.

Frequently asked questions

What is the weather forecast for Alton for the next ten days?
In Alton, a combination of overcast and bright weather is anticipated for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will range between 60.8°F and 80.6°F, as the minimum temperature will vary between 46.4°F and 60.8°F.
What will be the warmest and the coldest days?
With the maximum temperature of 80.6°F, next Monday will be the warmest day. Today is the coldest day, with a maximum temperature of 60.8°F.

Long-term weather forecast

SunMay 4.
  • 61°F
  • 48°F
Cloudy
Cloudy
  • Wind: 13mph N
  • Humidity: 69%
  • UV index: 4
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:57 am 7:57 pm CDT
MonMay 5.
  • 63°F
  • 46°F
Cloudy
Cloudy
  • Wind: 8mph NNW
  • Humidity: 70%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:56 am 7:58 pm CDT
TueMay 6.
  • 75°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph SSE
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:55 am 7:59 pm CDT
WedMay 7.
  • 75°F
  • 55°F
Cloudy
Cloudy
  • Wind: 8mph E
  • Humidity: 60%
  • UV index: 5
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:53 am 8:00 pm CDT
ThuMay 8.
  • 73°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph ENE
  • Humidity: 65%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:52 am 8:01 pm CDT
FriMay 9.
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph NE
  • Humidity: 53%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:51 am 8:02 pm CDT
SatMay 10.
  • 75°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NE
  • Humidity: 51%
  • UV index: 8
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:50 am 8:03 pm CDT
SunMay 11.
  • 79°F
  • 55°F
Sunny
Sunny
  • Wind: 8mph ENE
  • Humidity: 51%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:49 am 8:04 pm CDT
MonMay 12.
  • 81°F
  • 61°F
Sunny
Sunny
  • Wind: 9mph SSE
  • Humidity: 56%
  • UV index: 8
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:48 am 8:05 pm CDT
TueMay 13.
  • 77°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SSW
  • Humidity: 63%
  • UV index: 8
  • Precip. probability: 16%
  • Precipitation: 0"
  • 5:47 am 8:06 pm CDT
Ten-day trends indicate that a combination of gloomy and sunny weather is forecasted.
Rain is not expected in Alton in the upcoming period.
The temperature will vary considerably in the upcoming days. Forecast highs will fluctuate between 60.8°F and 80.6°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 46.4°F and 60.8°F.
Next Monday is expected to be the warmest, reaching up to 80.6°F; today is the coldest day, with a maximum temperature of 60.8°F.
Updated: May 4, 2025 @ 08:38:43 UTC
Published by: Weather U.S. | About Us
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