S
M
T
W
T
F
S
28
83°
61°
29
84°
63°
30
80°
57°
1
82°
62°
2
76°
59°
3
80°
60°
4
84°
60°
5
90°
61°
6
85°
65°
7
73°
57°
8
77°
55°
9
83°
57°
10
86°
61°
11
96°
64°
12
96°
66°
13
96°
66°
14
92°
67°
15
92°
65°
16
94°
68°
17
87°
65°
18
88°
66°
19
93°
66°
20
85°
57°
21
80°
55°
22
81°
58°
23
83°
59°
24
85°
59°
25
83°
61°
26
83°
62°
27
82°
60°
28
85°
61°
29
77°
62°
30
78°
61°
31
78°
63°
1
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Jamestown
Jamestown's July 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 55° and 68°. The average high for July is 84° 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 July weather will actually feel in Jamestown. See also: August | September | October.
