Weather forecast for todayPort Byron, IL
Weather forecast for today
Current condition 2:22 am CDT
- 46°F
- Feels like:45°F
Clear
- Precipitation: 0"
- Wind: 4mphS 180°
- Humidity: 73%
- Dewpoint: 37°F
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
In Port Byron, at the moment, the sky is a flawless clear blue with no cloud formations.
The temperature is a brisk 46.4°F, while the apparent temperature is a similar 44.6°F. The current temperature is far from the maximum of 69.8°F anticipated for today.
The temperature is a brisk 46.4°F, while the apparent temperature is a similar 44.6°F. The current temperature is far from the maximum of 69.8°F anticipated for today.
Monday Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 167°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:14 pm CDT
- details ▼
Today, in Port Byron, a bright and mostly cloud-free sky is in store.
Temperatures will see a substantial oscillation, reaching a high of a delightful 69.8°F and dropping to a low of an icy 41°F.
This October day will feature warmer weather, consistent with September's average of 75.4°F.
Sunrise will be at 7:18 am and sunset at 6:14 pm; the daylight will last for 10h and 56min.
Temperatures will see a substantial oscillation, reaching a high of a delightful 69.8°F and dropping to a low of an icy 41°F.
This October day will feature warmer weather, consistent with September's average of 75.4°F.
Sunrise will be at 7:18 am and sunset at 6:14 pm; the daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 12 am 4%.
Hourly weather forecast
- 4 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSW 194°
- Humidity: 81%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphS 173°
- Humidity: 90%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:18 am
- 8 am
- 41°F
- Feels like:39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphS 174°
- Humidity: 90%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 66%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 177°
- Humidity: 46%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 39%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 165°
- Humidity: 37%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSE 135°
- Humidity: 49%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphESE 120°
- Humidity: 67%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphESE 117°
- Humidity: 76%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, a combination of overcast and mostly clear weather is forecasted.
The temperature will vary between the highest temperature of 68°F and the lowest temperature of 39.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 75.4°F than with October's 61.3°F. Forecasts indicate a night temperature a few degrees lower than the usual October minimum of 45°F.
The temperature will vary between the highest temperature of 68°F and the lowest temperature of 39.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 75.4°F than with October's 61.3°F. Forecasts indicate a night temperature a few degrees lower than the usual October minimum of 45°F.
Updated: Oct 19, 2026 @ 07:22:42 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The temperature at 2:22 am CDT is 46.4°F.
Today, mostly sunny weather is likely, with high visibility.
Today, the highest temperature will be 69.8°F, while the lowest temperature will be 41°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 61.3°F in October. The lowest temperature will be also moderately lower than the average low of 45°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 61.3°F in October. The lowest temperature will be also moderately lower than the average low of 45°F.
On Monday, in Port Byron, sunrise will be at 7:18 am and sunset at 6:14 pm (CDT).
Today, the daylight will last for 10h and 56min.
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: 2:22am CDT
- Sunrise: 7:18 am CDT
- Sunset: 6:14 pm CDT
- Timezone: America/Chicago
Nearby Port Byron, Illinois, USA
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