S
M
T
W
T
F
S
28
93°
73°
29
97°
74°
30
89°
75°
1
88°
73°
2
88°
69°
3
89°
74°
4
95°
77°
5
95°
76°
6
93°
76°
7
97°
77°
8
96°
76°
9
96°
77°
10
96°
76°
11
95°
77°
12
96°
76°
13
97°
76°
14
90°
75°
15
91°
74°
16
91°
75°
17
92°
73°
18
88°
75°
19
88°
74°
20
93°
76°
21
90°
76°
22
88°
75°
23
86°
73°
24
87°
73°
25
87°
75°
26
88°
75°
27
88°
76°
28
89°
76°
29
88°
75°
30
88°
76°
31
89°
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 86° to 97°, with overnight lows between 73° and 77°. The average high for July is 91° 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.
