Weather forecast for 10 daysAlton, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 18mphSSW 193°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:41 am CDT
- Sunset: 6:36 pm CDT
- details ▼
On Sunday, in Alton, expect sunny weather with a crisp, clear sky.
Day and night temperatures will contrast sharply, ranging from a peak of a delightful 68°F to a low of a cold 39.2°F.
A high of 68°F is expected, which resembles September's climate average of 74.3°F more than October's 58.1°F.
Sunrise will be at 7:41 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 55min.
Day and night temperatures will contrast sharply, ranging from a peak of a delightful 68°F to a low of a cold 39.2°F.
A high of 68°F is expected, which resembles September's climate average of 74.3°F more than October's 58.1°F.
Sunrise will be at 7:41 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest day: Friday 77°C.
Minimum temperature: 66°C.
Minimum temperature: 66°C.
Chance of precipitation
Highest chance: Saturday 24.10. 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 193°
- Humidity: 67%
- UV index: 0
- Sunrise: 7:40 am CDT
- Sunset: 6:38 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 18mphSSW 193°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:41 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphSSE 153°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:42 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 48°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 14mphSSE 163°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:43 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 48°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 10mphS 187°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:45 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 54°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphSE 146°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 59°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 19mphSSE 158°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:47 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 17mphS 182°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:48 am CDT
- Sunset: 6:27 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 9mphNNW 346°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:26 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 12mphSSE 161°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:51 am CDT
- Sunset: 6:24 pm CDT
- details ▼
During the upcoming ten-day period, a combination of clear and overcast weather is expected.
With a 24% probability, rainfall is anticipated only on next Saturday. The precipitation will be minimal at 0.04".
In the upcoming days, the maximum temperature will range between 66.2°F and 77°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 39.2°F up to 59°F.
Friday is expected to be the warmest, reaching up to 77°F; Monday and next Sunday, with the highest temperature of 66.2°F, will be the coldest days.
With a 24% probability, rainfall is anticipated only on next Saturday. The precipitation will be minimal at 0.04".
In the upcoming days, the maximum temperature will range between 66.2°F and 77°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 39.2°F up to 59°F.
Friday is expected to be the warmest, reaching up to 77°F; Monday and next Sunday, with the highest temperature of 66.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 01:06:49 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunny conditions are expected to continue.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be notably higher than the average maximum of 58.1°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
Tomorrow, the highest temperature will be notably higher than the average maximum of 58.1°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Alton, sunrise will be at 7:41 am and sunset at 6:36 pm (CDT).
Tomorrow, the daylight will last for 10h and 55min.





