S
M
T
W
T
F
S
28
98°
74°
29
93°
73°
30
95°
73°
1
91°
71°
2
93°
68°
3
97°
70°
4
98°
70°
5
97°
73°
6
97°
76°
7
95°
76°
8
97°
77°
9
98°
76°
10
97°
75°
11
96°
73°
12
93°
72°
13
89°
69°
14
90°
70°
15
90°
70°
16
93°
71°
17
93°
71°
18
89°
72°
19
92°
71°
20
95°
74°
21
94°
73°
22
94°
72°
23
93°
72°
24
88°
71°
25
89°
71°
26
89°
72°
27
90°
72°
28
87°
73°
29
87°
72°
30
89°
73°
31
90°
73°
1
92°
72°
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 87° to 98°, with overnight lows between 69° and 77°. 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.
