Monthly Historical AveragesFrankfort, IL
Average Temperature
High
27°
Feels 28
Low
16°
Feels 16
Average Precipitation
13 Days
99.7mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, June 26, 2026
Day
21°Feels 21
Wind
20 km/h E
Gust
30 km/h
Humidity
61%
P.O.P
80%
Rain
~5 mm
Night
16°Feels 15
Wind
19 km/h E
Gust
29 km/h
Humidity
94%
P.O.P
60%
Rain
<1 mm
Historical AveragesJun 26
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity