Weather forecast for 10 days
Port Byron, IL

Weather forecast for the weekend

Sunday, May 11.

Sunny
5:43 am

8:11 pm
CDT
Sunny
81°F / 52°F
  • Wind: 10mph E
  • Humidity: 36%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, sunny skies and pleasant visibility are also expected.
Temperature readings will considerable fluctuate from a daytime peak of a warm 80.6°F to a nighttime low of a crisp 51.8°F.
A high of 80.6°F is expected, which aligns better with June's average peak of 79°F than May's 70.3°F.
Sunrise will be at 5:43 am and sunset at 8:11 pm; tomorrow's daylight will last for 14h and 28min.

Frequently asked questions

What is the weather forecast for Port Byron for the next ten days?
In Port Byron, a combination of cloudy and clear weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on next Sunday and Monday in Port Byron. Next Monday, with light precipitation of 0.28", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 69.8°F and 91.4°F, as the minimum temperature will range between 42.8°F and 66.2°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 69.8°F and 98.6°F.
What will be the hottest and the coldest days?
With the maximum temperature of 91.4°F, Thursday will be the hottest day. With a maximum temperature of 69.8°F, next Monday will be the coldest day.

Long-term weather forecast

SatMay 10.
  • min.
  • 43°F
Clear
Clear
  • Wind: 10mph E
  • Humidity: 54%
  • UV index: 0
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:44 am 8:10 pm CDT
SunMay 11.
  • 81°F
  • 52°F
Sunny
Sunny
  • Wind: 10mph E
  • Humidity: 36%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:43 am 8:11 pm CDT
MonMay 12.
  • 86°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ESE
  • Humidity: 46%
  • UV index: 7
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:42 am 8:12 pm CDT
TueMay 13.
  • 82°F
  • 61°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 9mph ESE
  • Humidity: 62%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:41 am 8:13 pm CDT
WedMay 14.
  • 86°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SE
  • Humidity: 56%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:40 am 8:14 pm CDT
ThuMay 15.
  • 91°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 18mph S
  • Humidity: 51%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:39 am 8:15 pm CDT
FriMay 16.
  • 79°F
  • 55°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Wind: 20mph WSW
  • Humidity: 38%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:38 am 8:16 pm CDT
SatMay 17.
  • 75°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph NW
  • Humidity: 42%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:37 am 8:17 pm CDT
SunMay 18.
  • 73°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ENE
  • Humidity: 52%
  • UV index: 6
  • Precip. probability: 23%
  • Precipitation: 0.04"
  • 5:36 am 8:18 pm CDT
MonMay 19.
  • 70°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph E
  • Humidity: 65%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0.28"
  • 5:36 am 8:19 pm CDT
For the coming ten days, a combination of cloud-filled and sun-filled weather is anticipated.
Rainfall is forecasted for next Sunday and Monday.
Substantial differences in temperature are forecasted in the upcoming days. The maximum temperature will vary between 69.8°F and 91.4°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 42.8°F and 66.2°F.
Expect the hottest day on Thursday, with temperatures peaking at 91.4°F; the coldest day will be next Monday, with a maximum of 69.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase and vary between 69.8°F and a very hot 98.6°F.
Updated: May 11, 2025 @ 03:37:34 UTC
Published by: Weather Atlas | About Us
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