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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Frankfort, IL
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Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
14°
20
19°
21
23°
22
13°
23
5°
24
10°
25
13°
26
21°
27
2°
28
7°
29
10°
30
13°
31
15°
Forecast
Thursday, March 19, 2026
Day
14°
Feels 14
Wind
10 km/h S
Gust
15 km/h
Humidity
58%
P.O.P
30%
Rain
<1 mm
Night
6°
Feels 3
Wind
17 km/h SW
Gust
26 km/h
Humidity
100%
P.O.P
20%
Historical Averages
Mar 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
March
Average Temperature
High
9°
Feels 7
Low
-1°
Feels -4
Average Precipitation
7 Days
Rain amount
32.9mm
Snow amount
4cm