S
M
T
W
T
F
S
28
95°
78°
29
96°
79°
30
94°
77°
1
95°
75°
2
94°
74°
3
95°
73°
4
98°
74°
5
93°
69°
6
97°
70°
7
74°
73°
8
96°
72°
9
97°
77°
10
96°
77°
11
96°
75°
12
88°
76°
13
84°
70°
14
81°
69°
15
82°
71°
16
86°
72°
17
92°
74°
18
93°
73°
19
94°
75°
20
94°
74°
21
96°
73°
22
94°
72°
23
93°
74°
24
92°
74°
25
95°
73°
26
94°
72°
27
97°
76°
28
96°
75°
29
97°
76°
30
97°
76°
31
98°
75°
1
97°
76°
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 81° to 98°, with overnight lows between 69° and 76°. The average high for July is 93° with an average low of 74°. 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.
