S
M
T
W
T
F
S
31
66°
62°
1
67°
63°
2
70°
62°
3
69°
62°
4
68°
61°
5
68°
61°
6
67°
58°
7
67°
57°
8
66°
57°
9
66°
58°
10
67°
57°
11
66°
57°
12
67°
58°
13
71°
61°
14
73°
61°
15
75°
63°
16
74°
64°
17
74°
65°
18
75°
67°
19
76°
66°
20
75°
65°
21
71°
64°
22
69°
60°
23
68°
57°
24
68°
58°
25
69°
62°
26
70°
65°
27
74°
65°
28
75°
64°
29
76°
66°
30
76°
66°
1
77°
67°
2
77°
67°
3
76°
66°
4
78°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in National City
National City's June 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 57° and 67°. The average high for June is 71° 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 June weather will actually feel in National City. See also: July | August | September.
