S
M
T
W
T
F
S
29
71°
63°
30
75°
59°
31
77°
61°
1
76°
60°
2
78°
61°
3
80°
66°
4
80°
65°
5
82°
66°
6
72°
64°
7
67°
63°
8
74°
63°
9
70°
65°
10
74°
65°
11
74°
61°
12
77°
55°
13
77°
59°
14
78°
58°
15
77°
59°
16
78°
62°
17
82°
62°
18
85°
67°
19
85°
64°
20
75°
60°
21
77°
59°
22
78°
61°
23
82°
62°
24
83°
65°
25
84°
66°
26
85°
64°
27
83°
64°
28
82°
61°
29
83°
66°
30
84°
65°
1
84°
65°
2
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St. Augustine South
St. Augustine South's April 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 59° and 67°. The average high for April is 82° with an average low of 63°. 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 St. Augustine South. See also: May | June | July.
