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: 5mphSSW 208°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:20 pm EDT
- details ▼
Today, in Alton, skies will stay clear and sunny.
A substantial temperature range, peaking at a comfortable 64.4°F and bottoming out at a cold 37.4°F, is anticipated.
Today, the forecasted high will be higher and much closer to September's average high of 70.2°F than October's 58.1°F.
Sunrise will be at 7:25 am and sunset at 6:20 pm; the daylight will last for 10h and 55min.
A substantial temperature range, peaking at a comfortable 64.4°F and bottoming out at a cold 37.4°F, is anticipated.
Today, the forecasted high will be higher and much closer to September's average high of 70.2°F than October's 58.1°F.
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: 19%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSSW 208°
- Humidity: 59%
- 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: 4mphSW 234°
- 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: 12%
- Precipitation: 0"
- Wind: 10mphNNE 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: 6%
- Precipitation: 0"
- Wind: 4mphNE 49°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:29 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 61°F
- 39°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphNW 326°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:30 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNE 38°
- Humidity: 62%
- 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: 19%
- Precipitation: 0"
- Wind: 4mphESE 112°
- 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: 13%
- Precipitation: 0"
- Wind: 4mphS 175°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:34 am EDT
- Sunset: 6:09 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphW 277°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:35 am EDT
- Sunset: 6:08 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 57°F
- 41°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphN 353°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:36 am EDT
- Sunset: 6:06 pm EDT
- details ▼
Looking ahead to the next ten days, a combination of dry and sunny and gloomy weather is anticipated.
Rain is not forecasted in Alton in the upcoming days.
Expect a substantial fluctuation in daytime highs in the next ten days. Forecast highs will fluctuate between 53.6°F and 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 33.8°F to 46.4°F.
With the highest temperature of 66.2°F, Monday will be the warmest day; the coldest day will be Friday, with a maximum of 53.6°F.
Rain is not forecasted in Alton in the upcoming days.
Expect a substantial fluctuation in daytime highs in the next ten days. Forecast highs will fluctuate between 53.6°F and 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 33.8°F to 46.4°F.
With the highest temperature of 66.2°F, Monday will be the warmest day; the coldest day will be Friday, with a maximum of 53.6°F.
Updated: Oct 18, 2026 @ 06:47:29 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, in Alton, a sun-drenched sky is anticipated.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be relatively higher than the average maximum of 58.1°F in October. Today, the lowest temperature will be notably lower than the average low of 48°F.
The highest temperature will be relatively higher than the average maximum of 58.1°F in October. Today, the lowest temperature will be notably 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.
