S
M
T
W
T
F
S
26
81°
55°
27
87°
47°
28
83°
53°
29
84°
50°
30
73°
52°
31
91°
58°
1
79°
50°
2
79°
51°
3
90°
55°
4
100°
54°
5
95°
53°
6
87°
53°
7
86°
56°
8
89°
55°
9
89°
55°
10
86°
54°
11
87°
52°
12
86°
53°
13
82°
51°
14
85°
53°
15
81°
52°
16
77°
47°
17
77°
48°
18
80°
53°
19
79°
52°
20
84°
54°
21
84°
54°
22
83°
55°
23
85°
55°
24
83°
52°
25
84°
54°
26
79°
53°
27
78°
50°
28
76°
49°
29
75°
48°
30
76°
51°
31
83°
54°
1
84°
54°
2
83°
53°
3
82°
53°
4
82°
52°
5
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Eugene
Eugene's August 2026 forecast shows daily high temperatures ranging from 75° to 100°, with overnight lows between 47° and 58°. The average high for August is 83° with an average low of 53°. 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 Eugene. See also: September | October | November.
