Hourly Weather Forecast - Port Byron, IL

4 AM
50°F
0%
6mph
ESE
Mostly Clear
Humidity
78%
Feels like
50°F
Dew Point
44°F
5 AM
49°F
0%
6mph
SE
Mostly Clear
Humidity
79%
Feels like
47°F
Dew Point
43°F
6 AM
48°F
0%
6mph
SE
Mostly Clear
Humidity
79%
Feels like
46°F
Dew Point
42°F
7 AM
49°F
0%
6mph
SE
Mostly Clear
Humidity
77%
Feels like
46°F
Dew Point
42°F
7:03 AM
8 AM
52°F
0%
7mph
SSE
Sunny
Humidity
72%
Feels like
52°F
Dew Point
43°F
9 AM
56°F
0%
7mph
SSE
Sunny
Humidity
65%
Feels like
56°F
Dew Point
44°F
10 AM
61°F
0%
8mph
S
Sunny
Humidity
58%
Feels like
61°F
Dew Point
46°F
11 AM
65°F
0%
9mph
S
Sunny
Humidity
55%
Feels like
65°F
Dew Point
48°F
12 PM
68°F
0%
10mph
SSW
Sunny
Humidity
52%
Feels like
68°F
Dew Point
50°F
1 PM
71°F
0%
11mph
SSW
Sunny
Humidity
49%
Feels like
71°F
Dew Point
51°F
2 PM
74°F
0%
12mph
SW
Sunny
Humidity
44%
Feels like
74°F
Dew Point
51°F
3 PM
76°F
0%
12mph
SW
Sunny
Humidity
41%
Feels like
76°F
Dew Point
51°F
4 PM
78°F
0%
12mph
SW
Sunny
Humidity
39%
Feels like
78°F
Dew Point
51°F
5 PM
77°F
0%
11mph
SW
Mostly Sunny
Humidity
40%
Feels like
77°F
Dew Point
51°F
6 PM
75°F
0%
9mph
SW
Sunny
Humidity
43%
Feels like
75°F
Dew Point
51°F
7 PM
72°F
0%
8mph
SW
Sunny
Humidity
47%
Feels like
72°F
Dew Point
51°F
7:14 PM
8 PM
69°F
0%
8mph
SW
Clear
Humidity
52%
Feels like
69°F
Dew Point
51°F
9 PM
68°F
0%
9mph
SW
Mostly Clear
Humidity
54%
Feels like
68°F
Dew Point
51°F
10 PM
67°F
0%
9mph
SW
Mostly Clear
Humidity
55%
Feels like
67°F
Dew Point
50°F
11 PM
66°F
0%
10mph
SW
Mostly Clear
Humidity
56%
Feels like
66°F
Dew Point
50°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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