S
M
T
W
T
F
S
26
84°
65°
27
87°
64°
28
86°
56°
29
79°
57°
30
83°
63°
31
84°
62°
1
85°
64°
2
85°
64°
3
86°
61°
4
85°
54°
5
77°
56°
6
77°
57°
7
76°
58°
8
81°
63°
9
83°
64°
10
85°
64°
11
84°
63°
12
84°
64°
13
85°
63°
14
83°
62°
15
82°
61°
16
83°
59°
17
82°
60°
18
84°
62°
19
80°
62°
20
80°
60°
21
83°
54°
22
Hist. Avg.
81°
58°
23
Hist. Avg.
81°
58°
24
Hist. Avg.
81°
58°
25
Hist. Avg.
81°
58°
26
Hist. Avg.
81°
58°
27
Hist. Avg.
81°
58°
28
Hist. Avg.
80°
57°
29
Hist. Avg.
80°
57°
30
Hist. Avg.
80°
57°
31
Hist. Avg.
80°
56°
1
Hist. Avg.
80°
56°
2
Hist. Avg.
80°
56°
3
Hist. Avg.
79°
56°
4
Hist. Avg.
79°
55°
5
Hist. Avg.
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Three Rivers
Three Rivers's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 54° and 65°. The average high for August is 83° with an average low of 61°. 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.
