S
M
T
W
T
F
S
26
97°
67°
27
94°
64°
28
96°
64°
29
96°
63°
30
97°
65°
31
98°
68°
1
101°
69°
2
102°
70°
3
102°
70°
4
103°
66°
5
102°
62°
6
100°
61°
7
97°
61°
8
95°
63°
9
96°
62°
10
95°
65°
11
98°
66°
12
100°
64°
13
100°
64°
14
99°
67°
15
97°
68°
16
93°
61°
17
92°
60°
18
92°
60°
19
93°
59°
20
91°
60°
21
92°
64°
22
95°
63°
23
97°
65°
24
96°
64°
25
95°
63°
26
95°
63°
27
94°
64°
28
96°
65°
29
98°
64°
30
97°
66°
31
98°
67°
1
98°
62°
2
96°
59°
3
Hist. Avg.
95°
64°
4
Hist. Avg.
94°
64°
5
Hist. Avg.
94°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Three Rivers
Three Rivers's August 2026 forecast shows daily high temperatures ranging from 91° to 103°, with overnight lows between 59° and 70°. The average high for August is 97° with an average low of 64°. 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 Three Rivers. See also: September | October | November.
