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14 Days
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°Fahrenheit
Monthly Historical Averages
Washington, IL
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Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
21°
3
22°
4
13°
5
10°
6
11°
7
8°
8
17°
9
17°
10
18°
11
17°
12
16°
13
15°
14
16°
15
17°
16
16°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, April 2, 2026
Day
21°
Feels 21
Wind
60 km/h SE
Gust
90 km/h
Humidity
78%
P.O.P
90%
Rain
10-15 mm
Night
9°
Feels 8
Wind
39 km/h SW
Gust
59 km/h
Humidity
94%
P.O.P
70%
Rain
~5 mm
Historical Averages
Apr 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
17°
Feels 16
Low
5°
Feels 3
Average Precipitation
10 Days
Rain amount
94.5mm
Snow amount
0.5cm