S
M
T
W
T
F
S
31
63°
50°
1
59°
52°
2
63°
48°
3
59°
48°
4
54°
48°
5
57°
45°
6
57°
48°
7
59°
48°
8
57°
45°
9
52°
43°
10
54°
39°
11
55°
43°
12
57°
50°
13
55°
48°
14
59°
43°
15
61°
41°
16
64°
46°
17
63°
50°
18
61°
48°
19
66°
57°
20
66°
48°
21
70°
43°
22
72°
55°
23
77°
57°
24
75°
57°
25
86°
54°
26
84°
59°
27
73°
55°
28
68°
49°
29
67°
51°
30
64°
52°
1
66°
55°
2
65°
49°
3
64°
53°
4
65°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Newtown St Boswells
Newtown St Boswells's June 2026 forecast shows daily high temperatures ranging from 64° to 68°, with overnight lows between 49° and 55°. The average high for June is 66° with an average low of 52°. 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 Newtown St Boswells. See also: July | August | September.