S
M
T
W
T
F
S
26
97°
77°
27
91°
79°
28
93°
77°
29
96°
78°
30
90°
77°
31
91°
75°
1
91°
77°
2
90°
75°
3
86°
77°
4
90°
77°
5
82°
75°
6
88°
75°
7
88°
75°
8
87°
74°
9
88°
77°
10
89°
78°
11
92°
77°
12
93°
74°
13
90°
72°
14
90°
73°
15
90°
75°
16
94°
77°
17
95°
79°
18
97°
79°
19
97°
77°
20
93°
75°
21
88°
73°
22
91°
73°
23
89°
76°
24
91°
79°
25
90°
75°
26
86°
75°
27
84°
73°
28
88°
75°
29
86°
75°
30
88°
74°
31
86°
75°
1
87°
78°
2
88°
79°
3
88°
77°
4
84°
77°
5
90°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fernandina Beach
Fernandina Beach's August 2026 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 Fernandina Beach. See also: September | October | November.
