S
M
T
W
T
F
S
28
70°
55°
29
68°
54°
30
70°
54°
1
72°
54°
2
66°
52°
3
75°
48°
4
68°
57°
5
72°
55°
6
73°
55°
7
75°
54°
8
83°
54°
9
83°
57°
10
87°
61°
11
82°
59°
12
84°
58°
13
82°
59°
14
79°
58°
15
79°
56°
16
76°
57°
17
71°
56°
18
71°
56°
19
70°
55°
20
70°
56°
21
69°
55°
22
66°
53°
23
67°
51°
24
70°
54°
25
71°
56°
26
71°
56°
27
70°
55°
28
70°
57°
29
67°
56°
30
66°
55°
31
66°
53°
1
67°
52°
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 66° to 87°, with overnight lows between 51° and 61°. The average high for July is 73° with an average low of 56°. 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.
