Weather forecast for todaySaint Jacob, IL
Weather forecast for today
Current condition 2:34 pm CDT
- 57°F
- Feels like:57°F
Sunny
- Precipitation: 0"
- Wind: 5mphNNW 340°
- Humidity: 42%
- Dewpoint: 36°F
- Pressure: 30.49"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
In Saint Jacob, currently, the day is bathed in golden sunlight, with no clouds in sight.
The temperature is a moderate 57.2°F. The current temperature is almost at the maximum of today's expected 59°F.
The temperature is a moderate 57.2°F. The current temperature is almost at the maximum of today's expected 59°F.
Saturday Oct 17, 2026
- 59°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 42%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:18 pm CDT
- details ▼
Today, in Saint Jacob, the forecast calls for abundant sunshine.
The maximum anticipated temperature is a mild 59°F, while the minimum temperature will be an icy 37.4°F.
The daily maximum temperature is forecasted to be a couple of degrees lower than October's climate average of 65.7°F.
Sunrise was at 7:10 am and sunset will be at 6:18 pm; the daylight will last for 11h and 8min.
The maximum anticipated temperature is a mild 59°F, while the minimum temperature will be an icy 37.4°F.
The daily maximum temperature is forecasted to be a couple of degrees lower than October's climate average of 65.7°F.
Sunrise was at 7:10 am and sunset will be at 6:18 pm; the daylight will last for 11h and 8min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 4 pm 59°C.
Coldest period: 11 pm - 12 am 43°C.
Coldest period: 11 pm - 12 am 43°C.
Chance of precipitation
Highest chance: 10 pm - 12 am 2%.
Hourly weather forecast
- 3 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 356°
- Humidity: 40%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 356°
- Humidity: 39%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 355°
- Humidity: 40%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNNE 23°
- Humidity: 49%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:18 pm
- 7 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphENE 60°
- Humidity: 66%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphENE 69°
- Humidity: 72%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphE 85°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphESE 112°
- Humidity: 82%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSE 131°
- Humidity: 82%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSE 132°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
For the rest of Saturday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between a minimum of 42.8°F and a maximum of 59°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the forecasted high will be a couple of degrees lower than October's typical peak temperature. The expected low will be more comparable to what’s common in November than the current October average of 48.9°F.
The temperature will vary between a minimum of 42.8°F and a maximum of 59°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the forecasted high will be a couple of degrees lower than October's typical peak temperature. The expected low will be more comparable to what’s common in November than the current October average of 48.9°F.
Updated: Oct 17, 2026 @ 19:34:29 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
At 2:34 pm CDT, the temperature is 57.2°F.
Today, in Saint Jacob, clear and sunny conditions are expected.
Today, the highest temperature will be 59°F, while the lowest temperature will be 37.4°F.
Today, the maximum temperature will be moderately lower than the average highest temperature in October. The lowest temperature today will be noticeably lower than the average low of 48.9°F.
Today, the maximum temperature will be moderately lower than the average highest temperature in October. The lowest temperature today will be noticeably lower than the average low of 48.9°F.
On Saturday, in Saint Jacob, sunrise was at 7:10 am and sunset will be at 6:18 pm (CDT).
In Saint Jacob, Illinois, today, there will be 11h and 8min of daylight.
Saint Jacob, Illinois, USA
- en: Saint Jacob, Illinois, USA
- es: Saint Jacob, Illinois, EE.UU.
- hr: Seйnt Džakob, Ilinois, SAD
- mk: Seйnt Džakob, Ilinois, SAD
- sr: Seйnt Džakob, Ilinois, SAD
- zh: Saint Jacob, 伊利诺伊, 美国
- Latitude: 38.713937°
- Longitude: -89.768150°
- Elevation: 528 ft
- Current time: 2:34pm CDT
- Sunrise: 7:10 am CDT
- Sunset: 6:18 pm CDT
- Timezone: America/Chicago
Nearby Saint Jacob, Illinois, USA
- Highland (6 mi)
- Troy (6 mi)
- Lebanon (8 mi)
- Summerfield (8 mi)
- Trenton (9 mi)
- Grantfork (10 mi)
- Maryville (10 mi)
- Pierron (11 mi)
- Aviston (11 mi)
- O'Fallon (11 mi)
- Glen Carbon (12 mi)
- Edwardsville (12 mi)
- Collinsville (12 mi)
- Alhambra (12 mi)
- Shiloh (12 mi)
- Hamel (13 mi)
- New Baden (13 mi)
- Albers (14 mi)
- Pocahontas (14 mi)
- Fairview Heights (15 mi)
- Breese (15 mi)
- Caseyville (15 mi)
- Worden (16 mi)
- Mascoutah (16 mi)
Illinois, USA - most visited locations
- Chicago
- Aurora
- Rockford
- Joliet
- Naperville
- Springfield
- Peoria
- Elgin
- Waukegan
- Champaign
- Cicero
- Bloomington
- Arlington Heights
- Evanston
- Schaumburg
- Bolingbrook
- Decatur
- Palatine
- Skokie
- Des Plaines
- Orland Park
- Tinley Park
- Oak Lawn
- Berwyn
- Mount Prospect
- Normal
- Wheaton
- Hoffman Estates
- Oak Park
- Downers Grove
- Glenview
- Belleville
- Elmhurst
- DeKalb
- Moline
- Lombard





