S
M
T
W
T
F
S
26
95°
77°
27
95°
76°
28
94°
76°
29
95°
78°
30
97°
79°
31
93°
79°
1
94°
78°
2
89°
78°
3
93°
74°
4
91°
76°
5
89°
76°
6
91°
80°
7
92°
78°
8
92°
82°
9
93°
83°
10
93°
84°
11
93°
82°
12
N/A
13
94°
81°
14
93°
81°
15
92°
80°
16
95°
80°
17
94°
78°
18
93°
79°
19
94°
80°
20
93°
81°
21
94°
80°
22
93°
80°
23
92°
79°
24
93°
81°
25
94°
79°
26
92°
78°
27
88°
79°
28
90°
79°
29
90°
79°
30
88°
77°
31
87°
76°
1
87°
77°
2
88°
77°
3
87°
79°
4
89°
79°
5
89°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in South Middle River
South Middle River's August 2026 forecast shows daily high temperatures ranging from 87° to 95°, with overnight lows between 76° and 81°. The average high for August is 91° with an average low of 79°. 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 South Middle River. See also: September | October | November.