S
M
T
W
T
F
S
29
46°
27°
30
46°
37°
31
48°
32°
1
52°
36°
2
57°
30°
3
55°
36°
4
57°
48°
5
59°
46°
6
63°
41°
7
66°
41°
8
72°
43°
9
72°
43°
10
55°
43°
11
66°
41°
12
52°
41°
13
46°
43°
14
59°
41°
15
64°
37°
16
66°
48°
17
72°
43°
18
70°
48°
19
59°
45°
20
57°
41°
21
54°
39°
22
61°
37°
23
68°
39°
24
72°
39°
25
72°
39°
26
70°
39°
27
68°
43°
28
72°
48°
29
69°
42°
30
68°
42°
1
76°
46°
2
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Saarlouis
Saarlouis's April 2026 forecast shows daily high temperatures ranging from 68° to 78°, with overnight lows between 42° and 54°. The average high for April is 73° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Saarlouis. See also: May | June | July.
