Weather forecast for todayAlton, MO

Weather forecast for today

Current condition 2:56 pm CDT

  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 5mphNE 40°
  • Humidity: 39%
  • Dewpoint: 36°F
  • Pressure: 30.46"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
Currently, no clouds in the sky, just uninterrupted sunshine.
The temperature is a comfortable 62.6°F. The current temperature is nearly at the maximum of today's expected 64.4°F.

Saturday Oct 17, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 47°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
Today, clear and sunny conditions are expected.
Temperature readings will span from a daytime high of a breezy 64.4°F to a night low of a cold 35.6°F.
Today, the forecasted peak temperature is set to be slightly cooler than the typical October temperature of 69.1°F.
Sunrise was at 7:15 am and sunset will be at 6:26 pm; the daylight will last for 11h and 11min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 5 pm 61°C.
Coldest period: 11 pm - 12 am 45°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 3 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 41°
  • Humidity: 39%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 43°
  • Humidity: 40%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 43°
  • Humidity: 40%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 61°
  • Humidity: 48%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:26 pm
  • 7 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphENE 66°
  • Humidity: 59%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 65°
  • Humidity: 67%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 69°
  • Humidity: 72%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 76%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 77°
  • Humidity: 78%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphENE 73°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Saturday, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between a minimum of 44.6°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature today will be a few degrees lower than October's typical maximum temperature. The expected low will be more comparable to what’s common in November than the current October average of 49.8°F.
Updated: Oct 17, 2026 @ 19:56:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 2:56 pm CDT, the temperature is 62.6°F.

Today, sunshine will likely continue with scattered clouds at most.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature today will be a few degrees lower than the average highest temperature in October. Today, the lowest temperature will be notably lower than the average low of 49.8°F.

On Saturday, in Alton, sunrise was at 7:15 am and sunset will be at 6:26 pm (CDT).

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