S
M
T
W
T
F
S
28
66°
53°
29
66°
54°
30
65°
54°
1
66°
52°
2
68°
52°
3
68°
54°
4
67°
55°
5
66°
51°
6
67°
54°
7
67°
54°
8
66°
55°
9
68°
54°
10
69°
55°
11
68°
54°
12
68°
54°
13
69°
55°
14
69°
54°
15
70°
55°
16
Hist. Avg.
65°
51°
17
Hist. Avg.
65°
51°
18
Hist. Avg.
65°
51°
19
Hist. Avg.
65°
51°
20
Hist. Avg.
65°
51°
21
Hist. Avg.
65°
51°
22
Hist. Avg.
65°
51°
23
Hist. Avg.
65°
51°
24
Hist. Avg.
65°
51°
25
Hist. Avg.
65°
51°
26
Hist. Avg.
65°
51°
27
Hist. Avg.
65°
51°
28
Hist. Avg.
65°
51°
29
Hist. Avg.
65°
51°
30
Hist. Avg.
65°
51°
31
Hist. Avg.
65°
51°
1
Hist. Avg.
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Killyleagh
Killyleagh's July 2026 forecast shows daily high temperatures ranging from 65° to 70°, with overnight lows between 51° and 55°. The average high for July is 67° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Killyleagh. See also: August | September | October.