S
M
T
W
T
F
S
29
97°
79°
30
94°
80°
31
95°
77°
1
100°
73°
2
98°
76°
3
102°
77°
4
102°
79°
5
97°
76°
6
95°
72°
7
94°
73°
8
95°
73°
9
94°
73°
10
86°
72°
11
91°
74°
12
90°
76°
13
92°
77°
14
91°
76°
15
93°
74°
16
94°
74°
17
104°
78°
18
103°
77°
19
104°
81°
20
105°
79°
21
104°
79°
22
105°
80°
23
97°
76°
24
98°
77°
25
98°
77°
26
97°
76°
27
97°
76°
28
98°
77°
29
98°
77°
30
97°
76°
1
97°
76°
2
96°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Ostia
Ostia's April 2026 forecast shows daily high temperatures ranging from 86° to 105°, with overnight lows between 72° and 81°. The average high for April is 97° with an average low of 77°. 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 Ostia. See also: May | June | July.