Weather forecast for 10 days
Alton, ID

Weather forecast for the weekend

Saturday, May 3.

Mostly Sunny
6:15 am

8:27 pm
MDT
Mostly Sunny
70°F / 39°F
  • Wind: 11mph S
  • Humidity: 43%
  • Precip. probability: 22%
  • Precipitation: 0"
  • UV index: 7
On Saturday, May 3, sunshine will take center stage, with just faint traces of clouds.
Rainfall is not anticipated. Temperature changes will be considerable, from a high of a pleasant 69.8°F to a low of a wintry 39.2°F.
On Saturday, the forecast high deviates from April's norm and tracks May's average temperature of 56.3°F.
Sunrise will be at 6:15 am and sunset at 8:27 pm; the daylight will last for 14h and 13min.

Sunday, May 4.

Isolated Thunderstorms
6:13 am

8:28 pm
MDT
Isolated Thunderstorms
64°F / 39°F
  • Wind: 11mph S
  • Humidity: 53%
  • Precip. probability: 33%
  • Precipitation: 0"
  • UV index: 5
On Sunday, in Alton, unstable conditions may trigger brief thunderstorms.
Minimal precipitation is expected. The predicted temperature range extends from a high of a comfortable 64.4°F to a low of a cold 39.2°F.
On Sunday, the forecast leans warmer as the expected high better matches May's average of 56.3°F.
Sunrise will be at 6:13 am and sunset at 8:28 pm; the daylight will last for 14h and 15min.

Frequently asked questions

What is the weather forecast for Alton for Saturday?
On Saturday, dry and sunny weather is expected throughout the day.
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 69.8°F, while the lowest temperature will be 39.2°F.
What is the weather forecast for Alton for Sunday?
On Sunday, localized rain and thunder will appear intermittently.
Will it rain on Sunday?
On Sunday, there is a low probability of minimal rainfall in Alton.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
What is the weather forecast for Alton for the next ten days?
In Alton, weather will be unstable, and a combination of sunny, cloudy, rain-filled and turbulent weather is forecasted for the next ten days.
Will it rain in the next ten days?
With minimal precipitation of 0.08", rainfall is expected on Wednesday, Monday and next Tuesday in Alton.
How warm will it be in the next ten days?
The maximum temperature will vary between 53.6°F and 69.8°F, while the minimum temperature will range between 28.4°F and 39.2°F.
What will be the warmest and the coldest days?
With the maximum temperature of 69.8°F, Saturday will be the warmest day. The coldest day will be tomorrow, with a maximum of 53.6°F.

Long-term weather forecast

TueApr 29.
  • 59°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph W
  • Humidity: 60%
  • UV index: 7
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:20 am 8:23 pm MDT
WedApr 30.
  • 54°F
  • 28°F
AM Showers
AM Showers
  • Wind: 14mph NW
  • Humidity: 67%
  • UV index: 6
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • 6:18 am 8:24 pm MDT
ThuMay 1.
  • 61°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph NNW
  • Humidity: 48%
  • UV index: 7
  • Precip. probability: 5%
  • Precipitation: 0.08"
  • 6:17 am 8:25 pm MDT
FriMay 2.
  • 66°F
  • 36°F
Sunny
Sunny
  • Wind: 7mph SW
  • Humidity: 47%
  • UV index: 7
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:16 am 8:26 pm MDT
SatMay 3.
  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph S
  • Humidity: 43%
  • UV index: 7
  • Precip. probability: 22%
  • Precipitation: 0"
  • 6:15 am 8:27 pm MDT
SunMay 4.
  • 64°F
  • 39°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 11mph S
  • Humidity: 53%
  • UV index: 5
  • Precip. probability: 33%
  • Precipitation: 0"
  • 6:13 am 8:28 pm MDT
MonMay 5.
  • 59°F
  • 37°F
PM Showers
PM Showers
  • Wind: 10mph NNE
  • Humidity: 60%
  • UV index: 7
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • 6:12 am 8:30 pm MDT
TueMay 6.
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph NW
  • Humidity: 66%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • 6:11 am 8:31 pm MDT
WedMay 7.
  • 61°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph NW
  • Humidity: 63%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:10 am 8:32 pm MDT
ThuMay 8.
  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SW
  • Humidity: 55%
  • UV index: 8
  • Precip. probability: 11%
  • Precipitation: 0"
  • 6:08 am 8:33 pm MDT
Weather fluctuations are likely over the next ten days, and a mix of dry and sunny, cloudy, rain-soaked and thunderstorm-prone weather is predicted.
With minimal precipitation of 0.08", rainfall is predicted for Wednesday, Monday and next Tuesday.
Temperature fluctuation will be noticeable in the upcoming days. The maximum temperature will vary between 53.6°F and 69.8°F, while the lowest temperature will be between 28.4°F and 39.2°F.
With the highest temperature of 69.8°F, Saturday will be the warmest day; the coldest day will be Wednesday, with a maximum of 53.6°F.
Updated: Apr 29, 2025 @ 06:35:04 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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