S
M
T
W
T
F
S
31
64°
55°
1
63°
55°
2
63°
55°
3
64°
55°
4
61°
54°
5
59°
52°
6
59°
54°
7
63°
55°
8
59°
50°
9
59°
50°
10
59°
50°
11
59°
52°
12
59°
57°
13
61°
52°
14
70°
50°
15
72°
57°
16
66°
57°
17
63°
61°
18
73°
59°
19
72°
59°
20
66°
57°
21
79°
57°
22
84°
66°
23
86°
66°
24
86°
64°
25
93°
73°
26
79°
61°
27
77°
61°
28
66°
59°
29
67°
54°
30
66°
54°
1
70°
55°
2
70°
51°
3
70°
56°
4
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Merthyr Vale
Merthyr Vale's June 2026 forecast shows daily high temperatures ranging from 66° to 73°, with overnight lows between 51° and 56°. The average high for June is 69° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Merthyr Vale. See also: July | August | September.
