S
M
T
W
T
F
S
28
66°
54°
29
66°
54°
30
68°
50°
1
67°
50°
2
68°
51°
3
65°
51°
4
65°
52°
5
66°
49°
6
66°
50°
7
69°
50°
8
69°
56°
9
68°
55°
10
69°
53°
11
69°
54°
12
71°
53°
13
67°
54°
14
68°
56°
15
69°
56°
16
70°
57°
17
70°
56°
18
69°
56°
19
69°
55°
20
68°
53°
21
66°
56°
22
69°
52°
23
67°
52°
24
70°
57°
25
69°
56°
26
69°
56°
27
68°
54°
28
68°
56°
29
66°
55°
30
66°
56°
31
70°
56°
1
66°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dublin 3
Dublin 3's July 2026 forecast shows daily high temperatures ranging from 65° to 71°, with overnight lows between 49° and 57°. The average high for July is 68° 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 Dublin 3. See also: August | September | October.