S
M
T
W
T
F
S
27
59°
43°
28
59°
43°
29
61°
45°
30
63°
48°
1
65°
40°
2
56°
40°
3
55°
43°
4
62°
42°
5
57°
40°
6
54°
36°
7
55°
32°
8
54°
36°
9
59°
39°
10
63°
44°
11
64°
45°
12
62°
46°
13
63°
42°
14
63°
36°
15
59°
37°
16
59°
42°
17
55°
39°
18
58°
41°
19
56°
43°
20
58°
45°
21
63°
44°
22
62°
34°
23
61°
29°
24
56°
30°
25
44°
31°
26
45°
30°
27
46°
35°
28
50°
39°
29
55°
40°
30
56°
39°
31
57°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Morriston
Morriston's October 2026 forecast shows daily high temperatures ranging from 44° to 65°, with overnight lows between 29° and 48°. The average high for October is 58° with an average low of 39°. 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 Morriston. See also: November | December | January.