S
M
T
W
T
F
S
28
74°
58°
29
74°
55°
30
72°
54°
1
75°
57°
2
74°
53°
3
72°
54°
4
75°
60°
5
75°
62°
6
83°
62°
7
74°
60°
8
75°
60°
9
76°
63°
10
81°
62°
11
81°
63°
12
82°
62°
13
81°
63°
14
85°
64°
15
84°
63°
16
78°
58°
17
76°
58°
18
78°
61°
19
76°
55°
20
75°
55°
21
78°
62°
22
85°
64°
23
86°
65°
24
86°
62°
25
83°
55°
26
76°
56°
27
85°
62°
28
86°
61°
29
87°
58°
30
78°
51°
31
77°
52°
1
78°
51°
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 72° to 87°, with overnight lows between 51° and 65°. The average high for July is 79° with an average low of 59°. 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.
