S
M
T
W
T
F
S
27
51°
42°
28
51°
40°
29
52°
41°
30
56°
43°
1
56°
46°
2
55°
45°
3
56°
45°
4
55°
44°
5
56°
43°
6
52°
35°
7
48°
37°
8
45°
43°
9
52°
40°
10
53°
38°
11
51°
39°
12
50°
33°
13
51°
39°
14
48°
42°
15
51°
40°
16
52°
37°
17
45°
36°
18
44°
38°
19
45°
39°
20
47°
38°
21
47°
37°
22
46°
37°
23
46°
36°
24
45°
37°
25
45°
35°
26
44°
36°
27
49°
39°
28
47°
40°
29
48°
39°
30
48°
30°
31
47°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Saint Petersburg
Saint Petersburg's October 2026 forecast shows daily high temperatures ranging from 44° to 56°, with overnight lows between 26° and 46°. The average high for October is 50° 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 Saint Petersburg. See also: November | December | January.
