S
M
T
W
T
F
S
27
86°
78°
28
88°
78°
29
89°
78°
30
89°
76°
31
88°
76°
1
90°
77°
2
86°
77°
3
89°
79°
4
89°
79°
5
91°
76°
6
90°
77°
7
89°
78°
8
89°
77°
9
89°
76°
10
89°
75°
11
89°
77°
12
91°
81°
13
93°
78°
14
90°
81°
15
91°
79°
16
85°
79°
17
89°
77°
18
90°
83°
19
89°
79°
20
90°
81°
21
91°
79°
22
90°
81°
23
90°
79°
24
91°
79°
25
92°
81°
26
90°
79°
27
90°
76°
28
90°
78°
29
90°
78°
30
91°
78°
31
90°
77°
1
90°
77°
2
90°
78°
3
91°
78°
4
90°
76°
5
92°
75°
6
91°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St John
St John's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in St John. See also: September | October | November.
