National Weather Service forecast

Port Byron, Illinois Weather

53°Overnight: Mostly Cloudy
Wind SW 10 to 15 mph
7-DayHourlyRadar

Port Byron 7-Day Forecast

  1. Overnight
    53°F
    Mostly Cloudy
    8% chance of precipitation

    Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. Southwest wind 10 to 15 mph.

  2. Wednesday
    55°F
    Chance Rain Showers
    27% chance of precipitation

    A chance of rain showers between 8am and 4pm. Mostly cloudy, with a high near 55. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

  3. Wednesday Night
    46°F
    Mostly Cloudy
    13% chance of precipitation

    Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    55°F
    Chance Rain Showers
    44% chance of precipitation

    A chance of rain showers before 5pm. Mostly cloudy, with a high near 55. West wind 10 to 15 mph. Chance of precipitation is 40%.

  5. Thursday Night
    41°F
    Slight Chance Rain Showers then Mostly Cloudy
    15% chance of precipitation

    A slight chance of rain showers before midnight. Mostly cloudy, with a low around 41.

  6. Friday
    50°F
    Partly Sunny
    6% chance of precipitation

    Partly sunny, with a high near 50.

  7. Friday Night
    32°F
    Mostly Clear

    Mostly clear, with a low around 32.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    35°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 35.

  10. Sunday
    56°F
    Sunny
    2% chance of precipitation

    Sunny, with a high near 56.

  11. Sunday Night
    36°F
    Clear
    1% chance of precipitation

    Clear, with a low around 36.

  12. Monday
    62°F
    Sunny

    Sunny, with a high near 62.

  13. Monday Night
    41°F
    Mostly Clear

    Mostly clear, with a low around 41.

  14. Tuesday
    63°F
    Sunny

    Sunny, with a high near 63.

Issued by the National Weather Service (DVN office), updated .

Port Byron Hourly Forecast

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About Port Byron

Population (2020 Census)
1,668
Coordinates
41.624, -90.330
Elevation
627 ft
NWS forecast office
DVN
Time zone
America/Chicago
Sunrise today
6:36 AM CST
Sunset today
4:52 PM CST
Daylight today
10 h 16 min

Port Byron Weather Questions

What is the weather forecast for Port Byron, Illinois?

Overnight: Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. Southwest wind 10 to 15 mph. Wednesday: A chance of rain showers between 8am and 4pm. Mostly cloudy, with a high near 55. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Will it rain or snow in Port Byron this week?

The best chance of precipitation is Thursday at 44%. Periods with a 30% chance or more: Thursday (44%).

How warm and how cold will it get in Port Byron this week?

The warmest day is Tuesday, with a high near 63°F. The coldest night is Friday Night, with a low near 32°F.

What time are sunrise and sunset in Port Byron today?

Sunrise is at 6:36 AM CST and sunset is at 4:52 PM CST, for 10 h 16 min of daylight.

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