S
M
T
W
T
F
S
28
96°
78°
29
95°
79°
30
93°
71°
1
91°
70°
2
93°
75°
3
93°
65°
4
85°
67°
5
88°
65°
6
89°
68°
7
91°
66°
8
95°
70°
9
88°
68°
10
85°
69°
11
89°
65°
12
89°
65°
13
88°
63°
14
91°
65°
15
92°
70°
16
94°
72°
17
96°
72°
18
97°
74°
19
99°
72°
20
97°
71°
21
99°
71°
22
91°
64°
23
89°
63°
24
91°
65°
25
92°
69°
26
94°
70°
27
91°
68°
28
86°
69°
29
86°
71°
30
91°
71°
31
86°
70°
1
94°
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 86° to 99°, with overnight lows between 63° and 74°. The average high for July is 92° with an average low of 69°. 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.
