Weather forecast for todaySaint Augustine, IL
Weather forecast for today
Current condition 1:03 am CDT
- 39°F
- Feels like:37°F
Clear
- Precipitation: 0"
- Wind: 4mphSSE 160°
- Humidity: 78%
- Dewpoint: 34°F
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
In Saint Augustine, at the moment, perfect visibility under a vast, clear sky.
The temperature is a wintry 39.2°F, the felt air temperature is nearly identical at 37.4°F. The current temperature is near the lowest expected 37.4°F for today.
The temperature is a wintry 39.2°F, the felt air temperature is nearly identical at 37.4°F. The current temperature is near the lowest expected 37.4°F for today.
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphS 186°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:17 pm CDT
- details ▼
On Sunday, October 18, uninterrupted sunshine is anticipated.
Substantial temperature fluctuations from a high of a comfortable 64.4°F to a low of an icy 37.4°F are forecasted.
Today's top temperature is set to align with the common October high of 61.7°F.
Sunrise will be at 7:16 am and sunset at 6:17 pm; the daylight will last for 11h and 1min.
Substantial temperature fluctuations from a high of a comfortable 64.4°F to a low of an icy 37.4°F are forecasted.
Today's top temperature is set to align with the common October high of 61.7°F.
Sunrise will be at 7:16 am and sunset at 6:17 pm; the daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest period: 2 pm - 5 pm 63°C.
Coldest hour: 5 am 37°C.
Coldest hour: 5 am 37°C.
Chance of precipitation
Highest chance: 2%.
Hourly weather forecast
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphS 181°
- Humidity: 81%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphS 185°
- Humidity: 84%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphS 180°
- Humidity: 89%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:16 am
- 8 am
- 39°F
- Feels like:36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 87%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphS 187°
- Humidity: 66%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 190°
- Humidity: 49%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 191°
- Humidity: 42%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphS 184°
- Humidity: 41%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 170°
- Humidity: 49%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 8 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 167°
- Humidity: 68%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphS 170°
- Humidity: 75%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, bright skies and dry conditions are anticipated.
The temperature will be between a maximum of 64.4°F and a minimum of 37.4°F. The warmest part of the day is expected around 3 pm.
The highest temperature today will be alike with October's typical maximum. Forecast models suggest a low more close to November's typical minimum of 34°F than October's usual 45.7°F.
The temperature will be between a maximum of 64.4°F and a minimum of 37.4°F. The warmest part of the day is expected around 3 pm.
The highest temperature today will be alike with October's typical maximum. Forecast models suggest a low more close to November's typical minimum of 34°F than October's usual 45.7°F.
Updated: Oct 18, 2026 @ 06:03:09 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
Currently (1:03 am CDT) it is 39.2°F in Saint Augustine.
Today, in Saint Augustine, sunny conditions are expected to continue.
Today, the maximum temperature in Saint Augustine, Illinois, will be 64.4°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.
On Sunday, in Saint Augustine, sunrise will be at 7:16 am and sunset at 6:17 pm (CDT).
In Saint Augustine, Illinois, the length of the day today will be 11h and 1min.
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: 1:03am CDT
- Sunrise: 7:16 am CDT
- Sunset: 6:17 pm CDT
- Timezone: America/Chicago
Nearby Saint Augustine, Illinois, USA
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- Prairie City (7 mi)
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- Berwick (9 mi)
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- Cameron (13 mi)
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- Marietta (15 mi)
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