S
M
T
W
T
F
S
31
64°
48°
1
63°
49°
2
65°
50°
3
64°
45°
4
64°
44°
5
65°
44°
6
65°
45°
7
64°
47°
8
64°
49°
9
65°
46°
10
65°
50°
11
66°
47°
12
65°
47°
13
66°
50°
14
65°
51°
15
69°
51°
16
68°
52°
17
66°
53°
18
69°
52°
19
67°
52°
20
71°
53°
21
69°
52°
22
71°
52°
23
71°
54°
24
69°
53°
25
70°
55°
26
72°
54°
27
73°
54°
28
73°
53°
29
72°
54°
30
74°
54°
1
73°
55°
2
74°
54°
3
70°
55°
4
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Northborough
Northborough's June 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 44° and 55°. The average high for June is 68° 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 Northborough. See also: July | August | September.