S
M
T
W
T
F
S
27
83°
54°
28
81°
57°
29
83°
61°
30
85°
61°
1
69°
61°
2
69°
55°
3
72°
52°
4
71°
51°
5
74°
47°
6
81°
48°
7
79°
44°
8
62°
42°
9
53°
39°
10
63°
46°
11
63°
38°
12
68°
40°
13
56°
40°
14
70°
46°
15
66°
43°
16
69°
46°
17
57°
47°
18
53°
40°
19
62°
47°
20
52°
50°
21
54°
47°
22
55°
43°
23
60°
49°
24
55°
46°
25
58°
42°
26
56°
43°
27
64°
49°
28
60°
38°
29
57°
38°
30
57°
39°
31
55°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mainz
Mainz's October 2026 forecast shows daily high temperatures ranging from 55° to 64°, with overnight lows between 38° and 49°. The average high for October is 59° with an average low of 41°. 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 Mainz. See also: November | December | January.
