S
M
T
W
T
F
S
29
81°
37°
30
79°
34°
31
68°
48°
1
63°
41°
2
68°
36°
3
63°
32°
4
70°
43°
5
79°
45°
6
77°
43°
7
79°
36°
8
81°
37°
9
81°
37°
10
79°
46°
11
75°
51°
12
71°
50°
13
57°
40°
14
62°
40°
15
72°
42°
16
75°
45°
17
62°
34°
18
73°
46°
19
78°
49°
20
81°
51°
21
74°
45°
22
74°
46°
23
78°
48°
24
76°
46°
25
67°
40°
26
68°
41°
27
70°
42°
28
74°
47°
29
76°
52°
30
71°
50°
1
71°
44°
2
69°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rockville
Rockville's April 2026 forecast shows daily high temperatures ranging from 57° to 81°, with overnight lows between 34° and 52°. The average high for April is 72° with an average low of 45°. 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 Rockville. See also: May | June | July.
