Weather forecast for 10 daysAlton, NY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 211°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:20 pm EDT
- details ▼
Today, sunshine is forecasted under mostly clear skies.
A daytime temperature reaching up to a breezy 64.4°F will sharply contrast with a nighttime low of a wintry 37.4°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:25 am and sunset at 6:20 pm; the daylight will last for 10h and 55min.
A daytime temperature reaching up to a breezy 64.4°F will sharply contrast with a nighttime low of a wintry 37.4°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:25 am and sunset at 6:20 pm; the daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest day: tomorrow 66°C.
Coldest day: Friday 54°C.
Coldest day: Friday 54°C.
Chance of precipitation
Highest chance: Sunday 25.10. 18%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 211°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:20 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 46°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphWSW 243°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 59°F
- 39°F
Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphNNE 27°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:28 am EDT
- Sunset: 6:17 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNE 53°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:29 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphNNW 329°
- Humidity: 74%
- UV index: 3
- Sunrise: 7:30 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 54°F
- 32°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNNE 33°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:31 am EDT
- Sunset: 6:12 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 36°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphESE 110°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:33 am EDT
- Sunset: 6:11 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 41°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 4mphS 188°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:34 am EDT
- Sunset: 6:09 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 45°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphW 275°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:35 am EDT
- Sunset: 6:08 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 55°F
- 39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphN 356°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:36 am EDT
- Sunset: 6:06 pm EDT
- details ▼
Over the next ten days, conditions will reflect that a combination of bright and gloomy weather is forecasted.
Rainfall is not predicted in Alton in the upcoming period.
Temperature differences will be noticeable throughout the forecast window. Forecast highs will fluctuate between 53.6°F and 66.2°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 32°F to 46.4°F.
With the highest temperature of 66.2°F, Monday will be the warmest day; expect the coldest day on Friday with a high of 53.6°F.
Rainfall is not predicted in Alton in the upcoming period.
Temperature differences will be noticeable throughout the forecast window. Forecast highs will fluctuate between 53.6°F and 66.2°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 32°F to 46.4°F.
With the highest temperature of 66.2°F, Monday will be the warmest day; expect the coldest day on Friday with a high of 53.6°F.
Updated: Oct 18, 2026 @ 11:08:33 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
Today, clear skies and sunshine are anticipated.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be a few degrees higher than the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 48°F.
The maximum temperature today will be a few degrees higher than the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 48°F.
On Sunday, in Alton, sunrise will be at 7:25 am and sunset at 6:20 pm (EDT).
In Alton, the length of the day today will be 10h and 55min.





