S
M
T
W
T
F
S
31
64°
55°
1
66°
59°
2
64°
55°
3
63°
52°
4
N/A
5
58°
51°
6
58°
54°
7
60°
48°
8
60°
49°
9
58°
48°
10
58°
51°
11
59°
52°
12
62°
51°
13
62°
53°
14
63°
53°
15
63°
52°
16
64°
53°
17
63°
52°
18
62°
53°
19
62°
53°
20
63°
52°
21
62°
53°
22
63°
53°
23
64°
54°
24
66°
55°
25
66°
54°
26
65°
54°
27
66°
54°
28
66°
55°
29
65°
55°
30
68°
54°
1
67°
55°
2
68°
56°
3
68°
56°
4
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Newcastle
Newcastle's June 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 48° and 56°. The average high for June is 63° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Newcastle. See also: July | August | September.
