S
M
T
W
T
F
S
29
73°
59°
30
78°
56°
31
80°
56°
1
80°
56°
2
81°
58°
3
83°
62°
4
82°
62°
5
86°
60°
6
70°
60°
7
66°
62°
8
71°
61°
9
70°
61°
10
74°
60°
11
79°
58°
12
82°
61°
13
81°
60°
14
81°
61°
15
85°
62°
16
84°
64°
17
83°
65°
18
83°
66°
19
84°
64°
20
86°
65°
21
85°
59°
22
81°
62°
23
82°
63°
24
83°
63°
25
83°
64°
26
82°
64°
27
81°
63°
28
81°
63°
29
78°
62°
30
78°
63°
1
79°
63°
2
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Newcastle
Newcastle's April 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 58° and 66°. The average high for April is 81° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Newcastle. See also: May | June | July.
