S
M
T
W
T
F
S
28
61°
56°
29
62°
55°
30
61°
55°
1
66°
56°
2
70°
61°
3
65°
56°
4
N/A
5
62°
55°
6
63°
54°
7
65°
54°
8
63°
53°
9
64°
49°
10
62°
47°
11
65°
47°
12
65°
47°
13
62°
45°
14
63°
45°
15
63°
47°
16
62°
46°
17
61°
45°
18
60°
47°
19
65°
47°
20
65°
49°
21
64°
48°
22
66°
48°
23
65°
48°
24
62°
47°
25
65°
48°
26
63°
46°
27
61°
47°
28
61°
48°
29
62°
48°
30
61°
47°
31
62°
46°
1
64°
47°
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 60° to 66°, with overnight lows between 45° and 55°. The average high for July is 63° with an average low of 48°. 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.