S
M
T
W
T
F
S
26
73°
50°
27
74°
52°
28
74°
54°
29
71°
51°
30
71°
53°
31
74°
55°
1
73°
56°
2
69°
55°
3
69°
56°
4
70°
56°
5
69°
52°
6
69°
50°
7
73°
51°
8
73°
54°
9
70°
54°
10
67°
52°
11
68°
54°
12
67°
51°
13
68°
50°
14
70°
55°
15
72°
52°
16
72°
53°
17
69°
53°
18
73°
56°
19
72°
51°
20
67°
49°
21
67°
49°
22
69°
51°
23
69°
54°
24
71°
54°
25
68°
53°
26
66°
52°
27
65°
48°
28
68°
49°
29
69°
52°
30
70°
49°
31
64°
48°
1
65°
47°
2
63°
47°
3
64°
46°
4
64°
48°
5
63°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Terrace
Terrace's August 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 46° and 56°. The average high for August is 69° with an average low of 52°. 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 Terrace. See also: September | October | November.
