S
M
T
W
T
F
S
31
67°
50°
1
67°
49°
2
66°
51°
3
68°
51°
4
65°
50°
5
63°
51°
6
64°
50°
7
63°
49°
8
69°
51°
9
69°
53°
10
70°
52°
11
70°
52°
12
69°
51°
13
69°
51°
14
70°
52°
15
70°
53°
16
69°
52°
17
71°
53°
18
68°
53°
19
67°
52°
20
68°
53°
21
69°
49°
22
68°
50°
23
69°
51°
24
70°
52°
25
69°
51°
26
67°
50°
27
68°
51°
28
68°
52°
29
69°
52°
30
69°
49°
1
73°
49°
2
73°
50°
3
72°
53°
4
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Bourne
Bourne's June 2026 forecast shows daily high temperatures ranging from 63° to 73°, with overnight lows between 49° and 53°. The average high for June is 69° with an average low of 51°. 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 Bourne. See also: July | August | September.