S
M
T
W
T
F
S
31
70°
39°
1
68°
47°
2
71°
51°
3
72°
51°
4
76°
60°
5
78°
64°
6
79°
63°
7
78°
62°
8
79°
60°
9
77°
59°
10
78°
62°
11
76°
61°
12
76°
59°
13
75°
60°
14
76°
56°
15
71°
52°
16
69°
52°
17
71°
53°
18
72°
55°
19
73°
58°
20
78°
61°
21
77°
62°
22
74°
62°
23
75°
61°
24
77°
58°
25
74°
55°
26
75°
63°
27
79°
62°
28
74°
60°
29
74°
59°
30
75°
57°
1
74°
57°
2
76°
63°
3
78°
64°
4
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Ashtabula
Ashtabula's June 2026 forecast shows daily high temperatures ranging from 68° to 79°, with overnight lows between 47° and 64°. The average high for June is 75° with an average low of 58°. 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 Ashtabula. See also: July | August | September.