S
M
T
W
T
F
S
27
67°
51°
28
62°
55°
29
71°
53°
30
71°
51°
1
80°
61°
2
71°
50°
3
65°
42°
4
70°
41°
5
61°
39°
6
61°
35°
7
69°
39°
8
67°
46°
9
66°
39°
10
67°
42°
11
63°
52°
12
70°
55°
13
82°
58°
14
67°
53°
15
68°
49°
16
70°
45°
17
50°
31°
18
61°
27°
19
66°
28°
20
67°
35°
21
65°
30°
22
63°
32°
23
63°
37°
24
62°
33°
25
64°
30°
26
69°
39°
27
67°
48°
28
72°
45°
29
73°
54°
30
69°
41°
31
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in St. Petersburg
St. Petersburg's October 2026 forecast shows daily high temperatures ranging from 65° to 73°, with overnight lows between 41° and 54°. The average high for October is 69° with an average low of 47°. 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 St. Petersburg. See also: November | December | January.
