S
M
T
W
T
F
S
28
93°
73°
29
97°
74°
30
89°
75°
1
89°
72°
2
89°
76°
3
91°
75°
4
93°
77°
5
90°
75°
6
93°
76°
7
92°
75°
8
94°
76°
9
93°
74°
10
94°
76°
11
93°
76°
12
94°
74°
13
93°
76°
14
94°
73°
15
91°
75°
16
88°
75°
17
87°
75°
18
88°
75°
19
88°
74°
20
89°
74°
21
88°
73°
22
89°
76°
23
89°
76°
24
88°
75°
25
89°
76°
26
88°
76°
27
88°
75°
28
89°
76°
29
89°
75°
30
88°
76°
31
90°
76°
1
91°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Newcastle
Newcastle's July 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 72° and 77°. The average high for July is 90° with an average low of 75°. 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 Newcastle. See also: August | September | October.
