S
M
T
W
T
F
S
28
92°
74°
29
92°
76°
30
95°
77°
1
96°
74°
2
94°
73°
3
95°
75°
4
92°
72°
5
91°
71°
6
92°
69°
7
91°
69°
8
92°
70°
9
96°
73°
10
96°
77°
11
95°
71°
12
90°
70°
13
93°
71°
14
92°
67°
15
89°
70°
16
84°
72°
17
92°
75°
18
94°
74°
19
95°
73°
20
97°
77°
21
96°
71°
22
91°
70°
23
88°
67°
24
86°
68°
25
94°
70°
26
93°
72°
27
93°
73°
28
94°
80°
29
93°
74°
30
94°
75°
31
95°
74°
1
94°
74°
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 84° to 97°, with overnight lows between 67° and 80°. The average high for July is 92° with an average low of 73°. 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.
