Weather forecast for todaySaint Augustine, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 8:07 pm CDT

  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphSSE 150°
  • Humidity: 69%
  • Dewpoint: 36°F
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Saint Augustine, currently, a cloudless sky and calm conditions create ideal weather.
The temperature is a chilly 44.6°F. The current temperature is a few degrees off the lowest anticipated temperature.

Saturday Oct 17, 2026

  • min.
  • 37°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 180°
  • Humidity: 81%
  • UV index: 0
  • Sunrise: 7:15 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
For the rest of Saturday, expect no clouds in sight and perfectly clear weather.
The lowest predicted temperature is a wintry 37.4°F.
Sunrise was at 7:15 am and sunset at 6:18 pm; the daylight lasted for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest period: 9 pm - 10 pm 43°C.
Coldest period: 1 am - 5 am 39°C.

Chance of precipitation

Highest chance: 4 am - 5 am 4%.

Hourly weather forecast

  • 9 pm
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 177°
  • Humidity: 76%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 175°
  • Humidity: 77%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 178°
  • Humidity: 79%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 81%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 39°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 82%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 83%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 84%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphS 184°
  • Humidity: 86%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphS 182°
  • Humidity: 87%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 182°
  • Humidity: 89%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, the weather will be unstable. The temperature will vary between a maximum of 42.8°F and a minimum of 41°F.
Updated: Oct 18, 2026 @ 01:07:35 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (8:07 pm CDT) is 44.6°F.

On Saturday, in Saint Augustine, expect nothing but clear skies from morning to night.

On Saturday, in Saint Augustine, sunrise was at 7:15 am and sunset at 6:18 pm (CDT).

Today, the daylight lasted for 11h and 3min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Saint Augustine, Illinois, USA

  • en: Saint Augustine, Illinois, USA
  • es: St. Augustine, Illinois, EE.UU.
  • hr: Sent Ogastin, Ilinois, SAD
  • mk: Sent Ogastin, Ilinois, SAD
  • sr: Sent Ogastin, Ilinois, SAD
  • zh: 圣奥古斯丁, 伊利诺伊, 美国
  • Latitude: 40.719476°
  • Longitude: -90.410684°
  • Elevation: 640 ft
  • Current time: 8:07pm CDT
  • Sunrise: 7:15 am CDT
  • Sunset: 6:18 pm CDT
  • Timezone: America/Chicago

Nearby Saint Augustine, Illinois, USA

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