S
M
T
W
T
F
S
29
52°
36°
30
52°
37°
31
54°
41°
1
52°
39°
2
55°
43°
3
59°
46°
4
68°
45°
5
79°
52°
6
82°
50°
7
73°
55°
8
79°
50°
9
81°
45°
10
73°
48°
11
72°
50°
12
50°
41°
13
55°
41°
14
61°
41°
15
N/A
16
74°
47°
17
78°
49°
18
76°
51°
19
77°
53°
20
71°
48°
21
68°
45°
22
65°
46°
23
66°
47°
24
62°
47°
25
64°
50°
26
66°
51°
27
65°
52°
28
64°
50°
29
63°
45°
30
66°
50°
1
69°
49°
2
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Castres
Castres's April 2026 forecast shows daily high temperatures ranging from 62° to 78°, with overnight lows between 45° and 53°. The average high for April is 68° with an average low of 49°. 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 Castres. See also: May | June | July.