Weather forecast for 10 days
Alton, MO

Weather forecast for the weekend

Saturday, May 10.

Partly Cloudy
6:00 am

8:03 pm
CDT
Partly Cloudy
73°F / 52°F
  • Wind: 10mph NE
  • Humidity: 49%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
On Saturday, May 10, sun and clouds will share the sky, creating a partly cloudy day.
Rain is not predicted. The maximum forecasted temperature is a warm 73.4°F, while the minimum temperature will be a crisp 51.8°F.
The day’s highest temperature is predicted to be relatively lower than the standard May average of 77.2°F.
Sunrise will be at 6:00 am and sunset at 8:03 pm; the daylight will last for 14h and 3min.

Sunday, May 11.

Partly Cloudy
5:59 am

8:04 pm
CDT
Partly Cloudy
75°F / 55°F
  • Wind: 8mph NE
  • Humidity: 58%
  • Precip. probability: 20%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Alton, thin clouds will pass through at times, but overall, it will remain bright.
Rain is not anticipated. Forecasted temperatures will peak at a moderately hot 75.2°F and dip to a minimum of a moderate 55.4°F.
The temperature will be in line with May's average maximum of 77.2°F.
Sunrise will be at 5:59 am and sunset at 8:04 pm; the daylight will last for 14h and 5min.

Frequently asked questions

What is the weather forecast for Alton for Saturday?
On Saturday, in Alton, the sky will feature a blend of clouds and sunshine.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 73.4°F, while the lowest temperature will be 51.8°F.
What is the weather forecast for Alton for Sunday?
On Sunday, patchy clouds will move across the sky, allowing for sunshine at times.
Will it rain on Sunday in Alton?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 75.2°F, while the lowest temperature will be 55.4°F.
What is the weather forecast for Alton for the next ten days?
In Alton, a combination of predominantly gloomy and occasionally rain-soaked and sun-filled weather is expected for the next ten days.
Will it rain in the next ten days?
Rain is predicted for Wednesday through Friday in Alton. Thursday, with light precipitation of 0.28", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 68°F and 84.2°F, as the minimum temperature will be between 50°F and 68°F.
What will be the hottest and the coldest days?
The hottest days will be next Wednesday and Thursday, with a maximum of 84.2°F. Tomorrow will be the coldest day, with a maximum temperature of 68°F.

Long-term weather forecast

TueMay 6.
  • 75°F
  • 57°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph ESE
  • Humidity: 63%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:04 am 7:59 pm CDT
WedMay 7.
  • 68°F
  • 57°F
PM Showers
PM Showers
  • Wind: 10mph E
  • Humidity: 77%
  • UV index: 4
  • Precip. probability: 63%
  • Precipitation: 0.12"
  • 6:03 am 8:00 pm CDT
ThuMay 8.
  • 70°F
  • 57°F
Showers
Showers
  • Wind: 7mph NE
  • Humidity: 82%
  • UV index: 5
  • Precip. probability: 53%
  • Precipitation: 0.28"
  • 6:02 am 8:01 pm CDT
FriMay 9.
  • 73°F
  • 50°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 11mph NE
  • Humidity: 68%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0.24"
  • 6:01 am 8:02 pm CDT
SatMay 10.
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph NE
  • Humidity: 49%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:00 am 8:03 pm CDT
SunMay 11.
  • 75°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph NE
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:59 am 8:04 pm CDT
MonMay 12.
  • 75°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph ENE
  • Humidity: 68%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:58 am 8:05 pm CDT
TueMay 13.
  • 79°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph S
  • Humidity: 71%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:57 am 8:05 pm CDT
WedMay 14.
  • 84°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph S
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:57 am 8:06 pm CDT
ThuMay 15.
  • 84°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph S
  • Humidity: 68%
  • UV index: 9
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:56 am 8:07 pm CDT
During the ten-day period, primarily cloud-filled and occasionally damp and mostly clear weather is forecasted.
Rain is predicted for Wednesday through Friday.
Temperature differences will be noticeable in the upcoming days. The maximum temperature will vary between 68°F and 84.2°F, while the fluctuation in night temperatures will be also significant, as temperatures overnight will fluctuate from 50°F up to 68°F.
The hottest days in Alton will be next Wednesday and Thursday, with a maximum of 84.2°F; expect the coldest day on Wednesday with a high of 68°F.
Updated: May 6, 2025 @ 06:47:09 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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