S
M
T
W
T
F
S
29
50°
39°
30
55°
43°
31
57°
46°
1
52°
45°
2
50°
37°
3
54°
46°
4
55°
46°
5
50°
43°
6
57°
39°
7
68°
45°
8
67°
45°
9
54°
38°
10
49°
45°
11
50°
42°
12
51°
38°
13
50°
39°
14
55°
40°
15
57°
43°
16
56°
42°
17
57°
44°
18
56°
46°
19
56°
45°
20
57°
44°
21
58°
43°
22
54°
42°
23
53°
41°
24
52°
40°
25
53°
39°
26
53°
38°
27
54°
40°
28
57°
44°
29
59°
45°
30
60°
45°
1
58°
46°
2
58°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Treharris
Treharris's April 2026 forecast shows daily high temperatures ranging from 49° to 67°, with overnight lows between 38° and 46°. The average high for April is 55° with an average low of 42°. 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 Treharris. See also: May | June | July.