S
M
T
W
T
F
S
28
93°
79°
29
96°
74°
30
98°
75°
1
99°
75°
2
100°
75°
3
101°
70°
4
93°
70°
5
88°
71°
6
87°
71°
7
88°
71°
8
91°
69°
9
92°
72°
10
91°
71°
11
89°
73°
12
92°
71°
13
89°
72°
14
89°
71°
15
90°
72°
16
93°
73°
17
90°
68°
18
87°
65°
19
92°
72°
20
93°
71°
21
92°
70°
22
89°
70°
23
91°
69°
24
91°
70°
25
89°
69°
26
89°
70°
27
92°
71°
28
91°
71°
29
90°
70°
30
92°
71°
31
91°
70°
1
92°
71°
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 93°, with overnight lows between 65° and 73°. The average high for July is 90° with an average low of 71°. 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.
