Weather forecast for todayAlton, IN

Weather forecast for today

Current condition 2:47 pm EDT

  • 57°F
  • Feels like:
    55°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 44%
  • Dewpoint: 36°F
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
At the moment, clear skies and sunshine define today’s fair conditions.
The temperature is a refreshing 57.2°F, while the real-feel temperature is a similar 55.4°F. The current temperature is almost at the maximum of today's expected 59°F.

Saturday Oct 17, 2026

  • 59°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 28°
  • Humidity: 41%
  • UV index: 4
  • Sunrise: 7:56 am EDT
  • Sunset: 7:05 pm EDT
  • ▼
On Saturday, October 17, expect consistent sunshine and open skies.
The highest temperature will be a refreshing 59°F, while the lowest anticipated temperature is an icy 35.6°F.
Today, the forecasted high will be lower and closer to November's typical value of 52.9°F than October's 66.7°F.
Sunrise was at 7:56 am and sunset will be at 7:05 pm; the daylight will last for 11h and 9min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 57°C.
Coldest hour: 12 am 43°C.

Chance of precipitation

Highest chance: 11 pm - 12 am 1%.

Hourly weather forecast

  • 3 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 26°
  • Humidity: 43%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 24°
  • Humidity: 40%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 5 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 31°
  • Humidity: 39%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 33°
  • Humidity: 40%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 28°
  • Humidity: 50%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 7:05 pm
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 29°
  • Humidity: 62%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 30°
  • Humidity: 66%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 39°
  • Humidity: 72%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 44°
  • Humidity: 75%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNE 52°
  • Humidity: 79%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between a minimum of 44.6°F and a maximum of 57.2°F. The warmest part of the day will be from 3 pm to 6 pm.
Today, the temperature will feel more consistent with November's average high than the usual for October. The lowest temperature is also more consistent with November's average minimum of 37.6°F than the usual minimum of 48°F in October.
Updated: Oct 17, 2026 @ 18:47:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 2:47 pm EDT, the temperature is 57.2°F.

Today, expect consistent sunshine and open skies.

Today, the highest temperature will be 59°F, while the lowest temperature will be 35.6°F.
The highest temperature will be slightly cooler than the average maximum of 66.7°F in October. The lowest temperature will be notably lower than the average low of 48°F.

On Saturday, in Alton, sunrise was at 7:56 am and sunset will be at 7:05 pm (EDT).

In Alton, today, there will be 11h and 9min of daylight.