S
M
T
W
T
F
S
27
58°
50°
28
62°
51°
29
61°
49°
30
62°
52°
1
61°
50°
2
61°
49°
3
57°
51°
4
59°
50°
5
Hist. Avg.
54°
48°
6
Hist. Avg.
54°
48°
7
Hist. Avg.
54°
48°
8
Hist. Avg.
54°
48°
9
Hist. Avg.
54°
48°
10
Hist. Avg.
54°
48°
11
Hist. Avg.
54°
47°
12
Hist. Avg.
53°
47°
13
Hist. Avg.
53°
47°
14
Hist. Avg.
53°
47°
15
Hist. Avg.
53°
47°
16
Hist. Avg.
53°
47°
17
Hist. Avg.
53°
47°
18
Hist. Avg.
53°
47°
19
Hist. Avg.
52°
46°
20
Hist. Avg.
52°
46°
21
Hist. Avg.
52°
46°
22
Hist. Avg.
52°
46°
23
Hist. Avg.
52°
46°
24
Hist. Avg.
52°
46°
25
Hist. Avg.
52°
46°
26
Hist. Avg.
51°
46°
27
Hist. Avg.
51°
45°
28
Hist. Avg.
51°
45°
29
Hist. Avg.
51°
45°
30
Hist. Avg.
51°
45°
31
Hist. Avg.
51°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Portrush
Portrush's October 2026 forecast shows daily high temperatures ranging from 57° to 62°, with overnight lows between 49° and 52°. The average high for October is 60° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Portrush. See also: November | December | January.