Weather forecast for tomorrowSaint Augustine, IL

Weather forecast for tomorrow

Saturday Oct 24, 2026

  • 75°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphSSE 160°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
Tomorrow, on Saturday, expect a mix of sun and clouds throughout the day.
A stark contrast will be evident between the daytime peak temperature of a warm 75.2°F and the nighttime low of a brisk 48.2°F.
A forecast high of 75.2°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:23 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 50°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSE 140°
  • Humidity: 78%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSE 143°
  • Humidity: 81%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 52°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSE 153°
  • Humidity: 84%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 149°
  • Humidity: 89%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:23 am
  • 8 am
  • 50°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSE 153°
  • Humidity: 86%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSE 161°
  • Humidity: 68%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSE 165°
  • Humidity: 47%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 168°
  • Humidity: 41%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 163°
  • Humidity: 39%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 153°
  • Humidity: 47%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:08 pm
  • 8 pm
  • 59°F
  • Feels like:
    59°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 150°
  • Humidity: 67%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 155°
  • Humidity: 73%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Saturday, a combination of overcast and clear weather is forecasted.
The temperature will vary between a minimum of 50°F and a maximum of 75.2°F. The warmest part of the day is expected around 3 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The lowest temperature tomorrow will be in line with October's average minimum.
Updated: Oct 23, 2026 @ 14:40:50 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, scattered clouds may briefly filter the sunlight, but it will remain bright overall.

Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 48.2°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 61.7°F in October. The lowest temperature will be in line with the average low of 45.7°F.

On Saturday, in Saint Augustine, sunrise will be at 7:23 am and sunset at 6:08 pm (CDT).

In Saint Augustine, Illinois, the length of the day tomorrow will be 10h and 46min.