S
M
T
W
T
F
S
31
84°
64°
1
87°
67°
2
80°
64°
3
80°
65°
4
83°
67°
5
89°
67°
6
85°
64°
7
82°
65°
8
88°
67°
9
87°
66°
10
87°
70°
11
88°
65°
12
88°
65°
13
87°
67°
14
85°
62°
15
89°
62°
16
78°
58°
17
77°
59°
18
77°
58°
19
78°
61°
20
81°
67°
21
88°
68°
22
82°
66°
23
86°
68°
24
90°
69°
25
91°
69°
26
91°
68°
27
90°
69°
28
92°
70°
29
92°
70°
30
91°
69°
1
90°
70°
2
93°
71°
3
94°
70°
4
87°
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 77° to 94°, with overnight lows between 58° and 71°. The average high for June is 86° with an average low of 66°. 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.
