S
M
T
W
T
F
S
26
98°
70°
27
99°
68°
28
99°
73°
29
101°
66°
30
106°
70°
31
107°
66°
1
106°
68°
2
109°
71°
3
110°
67°
4
105°
68°
5
105°
69°
6
97°
65°
7
100°
69°
8
99°
68°
9
100°
69°
10
100°
69°
11
99°
68°
12
99°
69°
13
98°
68°
14
99°
68°
15
99°
67°
16
98°
68°
17
99°
68°
18
99°
67°
19
97°
66°
20
98°
67°
21
98°
66°
22
96°
65°
23
98°
67°
24
98°
66°
25
97°
67°
26
98°
67°
27
99°
68°
28
99°
68°
29
98°
67°
30
98°
67°
31
97°
66°
1
98°
67°
2
97°
66°
3
98°
67°
4
95°
64°
5
92°
65°
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 92° to 110°, with overnight lows between 64° and 73°. The average high for August is 100° with an average low of 68°. 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.
