S
M
T
W
T
F
S
31
69°
37°
1
63°
42°
2
75°
47°
3
81°
56°
4
87°
58°
5
88°
61°
6
88°
62°
7
74°
58°
8
74°
56°
9
78°
58°
10
77°
58°
11
80°
62°
12
83°
60°
13
79°
59°
14
80°
62°
15
73°
52°
16
72°
52°
17
72°
53°
18
74°
54°
19
75°
55°
20
74°
54°
21
75°
54°
22
75°
55°
23
76°
56°
24
75°
62°
25
76°
57°
26
77°
56°
27
76°
61°
28
79°
62°
29
77°
59°
30
78°
58°
1
76°
57°
2
77°
60°
3
79°
63°
4
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fitchburg
Fitchburg's June 2026 forecast shows daily high temperatures ranging from 63° to 88°, with overnight lows between 42° and 64°. The average high for June is 77° with an average low of 57°. 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 Fitchburg. See also: July | August | September.
