S
M
T
W
T
F
S
26
82°
64°
27
80°
63°
28
85°
65°
29
85°
65°
30
84°
64°
31
83°
65°
1
85°
65°
2
84°
66°
3
85°
65°
4
83°
64°
5
83°
64°
6
84°
63°
7
85°
63°
8
77°
57°
9
76°
58°
10
77°
60°
11
79°
64°
12
81°
64°
13
83°
66°
14
83°
64°
15
82°
62°
16
77°
58°
17
77°
56°
18
77°
61°
19
80°
63°
20
83°
62°
21
84°
63°
22
83°
62°
23
82°
55°
24
76°
54°
25
76°
54°
26
77°
54°
27
76°
55°
28
77°
54°
29
78°
55°
30
82°
58°
31
82°
61°
1
79°
61°
2
82°
56°
3
81°
51°
4
74°
51°
5
73°
58°
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 73° to 85°, with overnight lows between 51° and 66°. The average high for August is 81° with an average low of 60°. 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.
