Weather forecast for todayPort Byron, IL
Weather forecast for today
Current condition 9:56 am CDT
- 45°F
- Feels like:45°F
Sunny
- Precipitation: 0"
- Wind: 3mphS 190°
- Humidity: 72%
- Dewpoint: 36°F
- Pressure: 30.58"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
In Port Byron, currently, the air is clear and fresh under a radiant sun.
The temperature is a chilly 44.6°F. The current temperature is relatively far from today's maximum-anticipated 57.2°F.
The temperature is a chilly 44.6°F. The current temperature is relatively far from today's maximum-anticipated 57.2°F.
Saturday Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphSW 217°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:17 pm CDT
- details ▼
On Saturday, in Port Byron, clear and sunny conditions are expected.
The highest temperature will be a refreshing 57.2°F, while the lowest temperature will be a cold 39.2°F.
The highest temperature for today is anticipated to be a few degrees lower than the average October temperature of 61.3°F.
Sunrise was at 7:15 am and sunset will be at 6:17 pm; the daylight will last for 11h and 1min.
The highest temperature will be a refreshing 57.2°F, while the lowest temperature will be a cold 39.2°F.
The highest temperature for today is anticipated to be a few degrees lower than the average October temperature of 61.3°F.
Sunrise was at 7:15 am and sunset will be at 6:17 pm; the daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest period: 2 pm - 4 pm 55°C.
Coldest period: 10 pm - 12 am 43°C.
Coldest period: 10 pm - 12 am 43°C.
Chance of precipitation
Highest chance: 10 pm - 12 am 2%.
Hourly weather forecast
- 10 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSSW 212°
- Humidity: 69%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 209°
- Humidity: 59%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 220°
- Humidity: 50%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 224°
- Humidity: 43%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 229°
- Humidity: 40%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 3 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 222°
- Humidity: 39%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 216°
- Humidity: 39%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSSW 211°
- Humidity: 42%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 200°
- Humidity: 49%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 7 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 190°
- Humidity: 55%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 190°
- Humidity: 62%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 190°
- Humidity: 66%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 187°
- Humidity: 71%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 187°
- Humidity: 72%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in Port Byron, bright skies and dry conditions are anticipated.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 57.2°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature today will be slightly cooler than October's average high. Forecasts indicate a night temperature also a few degrees lower than the usual October minimum of 45°F.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 57.2°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature today will be slightly cooler than October's average high. Forecasts indicate a night temperature also a few degrees lower than the usual October minimum of 45°F.
Updated: Oct 17, 2026 @ 14:56:26 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
The temperature at 9:56 am CDT is 44.6°F.
On Saturday, clear skies and sunshine are anticipated.
Today, the highest temperature will be 57.2°F, while the lowest temperature will be 39.2°F.
Today, the highest temperature will be moderately lower than the average maximum temperature in October. The lowest temperature today will be also relatively lower than the average low temperature.
Today, the highest temperature will be moderately lower than the average maximum temperature in October. The lowest temperature today will be also relatively lower than the average low temperature.
On Saturday, in Port Byron, sunrise was at 7:15 am and sunset will be at 6:17 pm (CDT).
In Port Byron, today, there will be 11h and 1min of daylight.
Port Byron, Illinois, USA
- en: Port Byron, Illinois, USA
- es: Port Byron, Illinois, EE.UU.
- hr: Port Bajron, Ilinois, SAD
- mk: Port Bajron, Ilinois, SAD
- sr: Port Bajron, Ilinois, SAD
- zh: 拜伦港, 伊利诺伊, 美国
- Latitude: 41.606422°
- Longitude: -90.335406°
- Elevation: 610 ft
- Current time: 9:56am CDT
- Sunrise: 7:15 am CDT
- Sunset: 6:17 pm CDT
- Timezone: America/Chicago
Nearby Port Byron, Illinois, USA
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