S
M
T
W
T
F
S
31
89°
66°
1
89°
65°
2
90°
65°
3
89°
66°
4
90°
65°
5
90°
68°
6
92°
64°
7
91°
68°
8
93°
62°
9
92°
63°
10
88°
64°
11
92°
65°
12
93°
68°
13
94°
65°
14
93°
64°
15
93°
65°
16
92°
68°
17
93°
68°
18
88°
67°
19
89°
68°
20
91°
69°
21
93°
68°
22
89°
70°
23
90°
69°
24
89°
68°
25
90°
69°
26
92°
71°
27
94°
72°
28
94°
72°
29
93°
71°
30
94°
69°
1
92°
70°
2
90°
69°
3
89°
68°
4
90°
69°
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 88° to 94°, with overnight lows between 62° and 72°. The average high for June is 91° with an average low of 67°. 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.
