Monthly Historical AveragesPort Byron, IL
Average Temperature
High
27°
Feels 29
Low
17°
Feels 16
Average Precipitation
13 Days
171.9mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, June 3, 2026
Day
29°Feels 29
Wind
14 km/h SE
Gust
21 km/h
Humidity
25%
P.O.P
20%
Night
16°Feels 16
Wind
14 km/h S
Gust
23 km/h
Humidity
64%
P.O.P
10%
Historical AveragesJun 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity