S
M
T
W
T
F
S
26
76°
61°
27
77°
60°
28
78°
61°
29
77°
61°
30
75°
60°
31
76°
62°
1
78°
61°
2
78°
62°
3
79°
58°
4
80°
60°
5
74°
61°
6
80°
60°
7
77°
61°
8
76°
60°
9
79°
61°
10
78°
60°
11
76°
59°
12
79°
60°
13
79°
60°
14
78°
58°
15
76°
54°
16
74°
53°
17
73°
56°
18
76°
57°
19
73°
53°
20
75°
54°
21
75°
58°
22
76°
58°
23
78°
57°
24
77°
53°
25
76°
58°
26
77°
56°
27
75°
57°
28
71°
56°
29
71°
57°
30
76°
57°
31
77°
51°
1
76°
49°
2
70°
50°
3
70°
49°
4
71°
50°
5
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fall River
Fall River's August 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 49° and 62°. The average high for August is 76° with an average low of 57°. 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 Fall River. See also: September | October | November.
