S
M
T
W
T
F
S
28
91°
78°
29
92°
78°
30
100°
76°
1
91°
75°
2
93°
73°
3
92°
74°
4
99°
65°
5
84°
67°
6
90°
70°
7
91°
71°
8
99°
74°
9
99°
79°
10
97°
79°
11
98°
73°
12
90°
73°
13
91°
70°
14
89°
71°
15
90°
71°
16
87°
73°
17
92°
76°
18
96°
79°
19
95°
77°
20
98°
76°
21
95°
75°
22
95°
77°
23
96°
76°
24
105°
81°
25
96°
78°
26
98°
78°
27
99°
78°
28
98°
77°
29
97°
78°
30
99°
79°
31
99°
79°
1
98°
78°
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 105°, with overnight lows between 70° and 81°. The average high for July is 96° with an average low of 76°. 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.
