S
M
T
W
T
F
S
27
64°
55°
28
70°
54°
29
70°
55°
30
72°
59°
31
72°
59°
1
68°
54°
2
66°
52°
3
68°
57°
4
70°
57°
5
66°
54°
6
68°
54°
7
68°
55°
8
68°
57°
9
70°
57°
10
75°
54°
11
79°
57°
12
90°
61°
13
72°
61°
14
72°
59°
15
82°
57°
16
77°
57°
17
79°
52°
18
72°
61°
19
72°
59°
20
63°
54°
21
66°
54°
22
70°
46°
23
72°
54°
24
75°
57°
25
79°
59°
26
72°
57°
27
66°
55°
28
64°
54°
29
64°
55°
30
64°
54°
31
64°
54°
1
64°
55°
2
64°
54°
3
64°
55°
4
63°
54°
5
66°
54°
6
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Newcastle
Newcastle's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Newcastle. See also: September | October | November.
