S
M
T
W
T
F
S
29
60°
25°
30
69°
45°
31
78°
60°
1
68°
45°
2
53°
42°
3
75°
44°
4
80°
57°
5
67°
41°
6
50°
37°
7
43°
29°
8
52°
22°
9
63°
38°
10
77°
42°
11
63°
43°
12
69°
35°
13
80°
58°
14
80°
59°
15
83°
57°
16
86°
59°
17
75°
57°
18
79°
50°
19
61°
38°
20
43°
30°
21
60°
24°
22
73°
49°
23
78°
50°
24
74°
50°
25
64°
47°
26
63°
43°
27
66°
46°
28
64°
46°
29
61°
43°
30
58°
41°
1
55°
39°
2
52°
35°
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 52° to 78°, with overnight lows between 35° and 50°. The average high for April is 64° with an average low of 44°. 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.
