S
M
T
W
T
F
S
31
77°
44°
1
77°
42°
2
76°
44°
3
79°
50°
4
79°
54°
5
76°
51°
6
74°
53°
7
76°
54°
8
79°
55°
9
81°
56°
10
79°
57°
11
78°
48°
12
69°
50°
13
74°
54°
14
70°
54°
15
73°
55°
16
74°
55°
17
72°
48°
18
68°
47°
19
69°
47°
20
71°
50°
21
73°
55°
22
72°
56°
23
72°
52°
24
75°
56°
25
73°
54°
26
79°
57°
27
73°
56°
28
81°
59°
29
79°
58°
30
73°
58°
1
75°
57°
2
75°
57°
3
73°
53°
4
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Roscommon
Roscommon's June 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 42° and 59°. The average high for June is 75° with an average low of 53°. 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 Roscommon. See also: July | August | September.
