S
M
T
W
T
F
S
31
84°
53°
1
74°
56°
2
79°
51°
3
78°
53°
4
83°
55°
5
83°
59°
6
81°
64°
7
79°
65°
8
80°
64°
9
79°
65°
10
78°
62°
11
80°
63°
12
81°
62°
13
79°
62°
14
80°
60°
15
76°
64°
16
80°
63°
17
78°
64°
18
76°
64°
19
76°
65°
20
77°
65°
21
77°
64°
22
78°
65°
23
80°
65°
24
78°
61°
25
78°
62°
26
80°
64°
27
81°
65°
28
79°
66°
29
78°
64°
30
79°
60°
1
77°
60°
2
78°
64°
3
78°
66°
4
79°
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 74° to 83°, with overnight lows between 51° and 66°. The average high for June is 79° with an average low of 62°. 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.
