Hourly Weather Forecast - Port Byron, IL

12 AM
40°F
0%
9mph
N
Partly Cloudy
Humidity
65%
Feels like
34°F
Dew Point
29°F
1 AM
38°F
0%
8mph
N
Partly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
29°F
2 AM
37°F
0%
8mph
N
Partly Cloudy
Humidity
71%
Feels like
31°F
Dew Point
28°F
3 AM
35°F
0%
7mph
N
Partly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
28°F
4 AM
34°F
0%
7mph
N
Partly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
28°F
5 AM
33°F
0%
6mph
N
Partly Cloudy
Humidity
78%
Feels like
28°F
Dew Point
27°F
6 AM
32°F
0%
6mph
N
Partly Cloudy
Humidity
79%
Feels like
27°F
Dew Point
27°F
6:59 AM
7 AM
33°F
0%
5mph
NNE
Mostly Sunny
Humidity
77%
Feels like
28°F
Dew Point
26°F
8 AM
35°F
0%
5mph
NNE
Mostly Sunny
Humidity
71%
Feels like
30°F
Dew Point
26°F
9 AM
38°F
0%
6mph
NNE
Sunny
Humidity
63%
Feels like
33°F
Dew Point
26°F
10 AM
41°F
0%
6mph
NNE
Sunny
Humidity
56%
Feels like
36°F
Dew Point
26°F
11 AM
43°F
0%
7mph
NNE
Sunny
Humidity
52%
Feels like
39°F
Dew Point
26°F
12 PM
44°F
0%
6mph
NNE
Mostly Sunny
Humidity
48%
Feels like
41°F
Dew Point
26°F
1 PM
46°F
0%
6mph
NNE
Mostly Sunny
Humidity
45%
Feels like
43°F
Dew Point
26°F
2 PM
48°F
0%
6mph
NNE
Mostly Sunny
Humidity
43%
Feels like
45°F
Dew Point
26°F
3 PM
49°F
0%
5mph
NNE
Mostly Sunny
Humidity
41%
Feels like
47°F
Dew Point
26°F
4 PM
49°F
0%
5mph
NE
Mostly Sunny
Humidity
41%
Feels like
48°F
Dew Point
27°F
5 PM
49°F
0%
4mph
NE
Partly Cloudy
Humidity
42%
Feels like
48°F
Dew Point
27°F
6 PM
47°F
0%
3mph
ENE
Partly Cloudy
Humidity
45%
Feels like
47°F
Dew Point
27°F
7 PM
45°F
0%
3mph
E
Partly Cloudy
Humidity
50%
Feels like
45°F
Dew Point
27°F
7:16 PM
8 PM
43°F
0%
3mph
ESE
Mostly Cloudy
Humidity
55%
Feels like
43°F
Dew Point
28°F
9 PM
42°F
0%
4mph
ESE
Mostly Cloudy
Humidity
58%
Feels like
40°F
Dew Point
28°F
10 PM
41°F
0%
4mph
SE
Mostly Cloudy
Humidity
60%
Feels like
38°F
Dew Point
28°F
11 PM
41°F
0%
5mph
SE
Mostly Cloudy
Humidity
60%
Feels like
37°F
Dew Point
28°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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