S
M
T
W
T
F
S
28
66°
55°
29
66°
54°
30
66°
55°
1
66°
57°
2
72°
55°
3
72°
54°
4
70°
59°
5
73°
57°
6
77°
57°
7
73°
57°
8
84°
57°
9
84°
59°
10
90°
64°
11
88°
61°
12
86°
61°
13
77°
57°
14
79°
57°
15
81°
59°
16
82°
57°
17
81°
63°
18
77°
57°
19
75°
55°
20
77°
52°
21
79°
57°
22
75°
55°
23
79°
59°
24
77°
57°
25
72°
54°
26
73°
61°
27
70°
57°
28
N/A
29
81°
58°
30
76°
48°
31
74°
49°
1
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Newcastle
Newcastle's July 2026 forecast shows daily high temperatures ranging from 74° to 81°, with overnight lows between 48° and 58°. The average high for July is 77° with an average low of 52°. 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.
