S
M
T
W
T
F
S
26
75°
55°
27
81°
58°
28
80°
69°
29
72°
67°
30
71°
62°
31
78°
60°
1
84°
63°
2
83°
69°
3
79°
65°
4
84°
58°
5
85°
56°
6
88°
73°
7
92°
74°
8
87°
71°
9
90°
65°
10
85°
61°
11
85°
64°
12
84°
62°
13
81°
62°
14
82°
61°
15
80°
57°
16
80°
53°
17
72°
64°
18
81°
65°
19
84°
63°
20
85°
62°
21
72°
66°
22
74°
65°
23
77°
67°
24
82°
58°
25
77°
58°
26
83°
67°
27
79°
68°
28
81°
65°
29
82°
62°
30
79°
62°
31
78°
63°
1
80°
60°
2
77°
58°
3
76°
61°
4
78°
63°
5
74°
61°
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 72° to 83°, with overnight lows between 58° and 68°. The average high for August is 78° 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 August weather will actually feel in Fall River. See also: September | October | November.
