S
M
T
W
T
F
S
31
68°
44°
1
62°
42°
2
67°
48°
3
73°
54°
4
75°
54°
5
78°
59°
6
82°
60°
7
65°
54°
8
68°
56°
9
69°
58°
10
72°
57°
11
71°
59°
12
73°
60°
13
73°
59°
14
74°
58°
15
68°
54°
16
66°
54°
17
67°
55°
18
68°
58°
19
69°
59°
20
68°
58°
21
68°
57°
22
69°
57°
23
68°
58°
24
69°
63°
25
70°
62°
26
70°
59°
27
71°
63°
28
74°
64°
29
72°
62°
30
70°
59°
1
70°
60°
2
71°
63°
3
72°
66°
4
73°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Jamestown
Jamestown's June 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 42° and 66°. The average high for June is 70° with an average low of 58°. 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 Jamestown. See also: July | August | September.
