S
M
T
W
T
F
S
31
71°
42°
1
73°
45°
2
73°
47°
3
77°
49°
4
80°
58°
5
81°
62°
6
80°
61°
7
79°
60°
8
79°
59°
9
78°
58°
10
78°
60°
11
77°
59°
12
76°
57°
13
76°
58°
14
77°
54°
15
71°
50°
16
70°
50°
17
71°
51°
18
72°
53°
19
73°
56°
20
76°
58°
21
76°
60°
22
74°
60°
23
75°
59°
24
76°
55°
25
74°
53°
26
75°
61°
27
79°
60°
28
75°
58°
29
75°
57°
30
76°
56°
1
75°
55°
2
76°
61°
3
79°
62°
4
78°
56°
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 70° to 81°, with overnight lows between 45° and 62°. The average high for June is 76° with an average low of 56°. 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.
