S
M
T
W
T
F
S
29
62°
26°
30
74°
50°
31
82°
58°
1
86°
62°
2
85°
63°
3
83°
61°
4
84°
62°
5
77°
56°
6
66°
42°
7
64°
39°
8
57°
36°
9
67°
29°
10
77°
33°
11
80°
46°
12
77°
50°
13
85°
58°
14
90°
63°
15
94°
66°
16
91°
63°
17
89°
58°
18
92°
67°
19
75°
44°
20
64°
40°
21
68°
43°
22
74°
53°
23
76°
52°
24
75°
56°
25
73°
52°
26
72°
50°
27
69°
49°
28
69°
53°
29
74°
54°
30
77°
53°
1
70°
51°
2
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Petersburg
Petersburg's April 2026 forecast shows daily high temperatures ranging from 64° to 94°, with overnight lows between 40° and 67°. The average high for April is 77° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Petersburg. See also: May | June | July.
