S
M
T
W
T
F
S
31
77°
58°
1
78°
57°
2
77°
60°
3
73°
57°
4
75°
60°
5
79°
62°
6
81°
63°
7
79°
56°
8
74°
54°
9
73°
55°
10
74°
56°
11
73°
55°
12
74°
55°
13
75°
65°
14
77°
64°
15
76°
62°
16
74°
58°
17
75°
57°
18
75°
57°
19
76°
58°
20
76°
60°
21
78°
66°
22
80°
66°
23
79°
65°
24
83°
67°
25
80°
67°
26
80°
68°
27
86°
69°
28
87°
67°
29
89°
67°
30
91°
60°
1
81°
60°
2
82°
58°
3
83°
59°
4
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Seward
Seward's June 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 54° and 69°. The average high for June is 79° with an average low of 61°. 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 Seward. See also: July | August | September.