Hourly Weather Forecast - Port Byron, IL

12 AM
45°F
10%
5mph
SE
Mostly Clear
Humidity
69%
Feels like
42°F
Dew Point
36°F
1 AM
44°F
10%
5mph
SE
Partly Cloudy
Humidity
72%
Feels like
41°F
Dew Point
35°F
2 AM
43°F
10%
5mph
SE
Mostly Clear
Humidity
74%
Feels like
39°F
Dew Point
35°F
3 AM
42°F
0%
6mph
ESE
Mostly Clear
Humidity
77%
Feels like
38°F
Dew Point
35°F
4 AM
41°F
0%
6mph
ESE
Mostly Clear
Humidity
78%
Feels like
37°F
Dew Point
35°F
5 AM
41°F
0%
6mph
ESE
Partly Cloudy
Humidity
79%
Feels like
36°F
Dew Point
35°F
6 AM
40°F
0%
7mph
ESE
Partly Cloudy
Humidity
80%
Feels like
36°F
Dew Point
35°F
6:56 AM
7 AM
41°F
0%
7mph
ESE
Mostly Cloudy
Humidity
77%
Feels like
37°F
Dew Point
35°F
8 AM
44°F
0%
8mph
ESE
Mostly Cloudy
Humidity
72%
Feels like
40°F
Dew Point
35°F
9 AM
47°F
0%
8mph
ESE
Mostly Cloudy
Humidity
66%
Feels like
43°F
Dew Point
36°F
10 AM
50°F
0%
9mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
50°F
Dew Point
37°F
11 AM
53°F
0%
9mph
SE
Mostly Cloudy
Humidity
58%
Feels like
53°F
Dew Point
38°F
12 PM
55°F
0%
9mph
SE
Mostly Cloudy
Humidity
56%
Feels like
55°F
Dew Point
39°F
1 PM
57°F
0%
10mph
SE
Mostly Cloudy
Humidity
54%
Feels like
57°F
Dew Point
40°F
2 PM
59°F
0%
10mph
SSE
Partly Cloudy
Humidity
52%
Feels like
59°F
Dew Point
41°F
3 PM
60°F
0%
10mph
SSE
Partly Cloudy
Humidity
51%
Feels like
60°F
Dew Point
42°F
4 PM
61°F
0%
10mph
SSE
Partly Cloudy
Humidity
52%
Feels like
61°F
Dew Point
43°F
5 PM
60°F
0%
9mph
SSE
Mostly Sunny
Humidity
55%
Feels like
60°F
Dew Point
44°F
6 PM
58°F
0%
8mph
SSE
Mostly Sunny
Humidity
61%
Feels like
58°F
Dew Point
45°F
7 PM
56°F
0%
7mph
SSE
Mostly Sunny
Humidity
68%
Feels like
56°F
Dew Point
45°F
7:18 PM
8 PM
54°F
0%
7mph
SSE
Mostly Clear
Humidity
73%
Feels like
54°F
Dew Point
46°F
9 PM
53°F
10%
8mph
SSE
Partly Cloudy
Humidity
76%
Feels like
53°F
Dew Point
46°F
10 PM
52°F
10%
9mph
S
Mostly Cloudy
Humidity
78%
Feels like
52°F
Dew Point
46°F
11 PM
52°F
10%
9mph
S
Mostly Cloudy
Humidity
80%
Feels like
52°F
Dew Point
46°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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