S
M
T
W
T
F
S
31
77°
54°
1
81°
64°
2
75°
60°
3
81°
57°
4
86°
60°
5
90°
66°
6
92°
68°
7
91°
68°
8
85°
67°
9
82°
65°
10
85°
64°
11
88°
69°
12
90°
68°
13
92°
70°
14
91°
69°
15
89°
66°
16
89°
69°
17
88°
69°
18
85°
68°
19
83°
67°
20
81°
67°
21
82°
70°
22
84°
70°
23
84°
69°
24
85°
68°
25
85°
69°
26
86°
70°
27
89°
70°
28
90°
71°
29
86°
69°
30
85°
66°
1
84°
66°
2
85°
67°
3
85°
71°
4
86°
71°
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 81° to 92°, with overnight lows between 57° and 71°. The average high for June is 86° with an average low of 68°. 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.
