S
M
T
W
T
F
S
28
81°
46°
29
84°
52°
30
88°
54°
1
84°
54°
2
82°
54°
3
88°
57°
4
91°
61°
5
88°
63°
6
90°
60°
7
88°
57°
8
90°
55°
9
95°
59°
10
95°
61°
11
95°
61°
12
92°
69°
13
101°
69°
14
100°
68°
15
102°
69°
16
99°
69°
17
94°
64°
18
93°
66°
19
96°
67°
20
99°
65°
21
99°
64°
22
101°
66°
23
99°
67°
24
100°
65°
25
94°
60°
26
94°
61°
27
96°
62°
28
96°
61°
29
95°
61°
30
92°
59°
31
89°
56°
1
89°
59°
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 89° to 102°, with overnight lows between 56° and 69°. The average high for July is 96° with an average low of 64°. 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.
