S
M
T
W
T
F
S
26
99°
75°
27
99°
74°
28
85°
75°
29
88°
71°
30
89°
69°
31
92°
71°
1
72°
65°
2
85°
65°
3
88°
62°
4
92°
67°
5
91°
72°
6
78°
68°
7
91°
67°
8
91°
67°
9
96°
73°
10
97°
76°
11
98°
76°
12
100°
75°
13
99°
74°
14
101°
77°
15
86°
78°
16
100°
77°
17
83°
67°
18
91°
62°
19
83°
70°
20
83°
63°
21
89°
67°
22
85°
64°
23
82°
63°
24
80°
66°
25
84°
68°
26
83°
64°
27
82°
62°
28
89°
65°
29
88°
68°
30
90°
68°
31
94°
70°
1
93°
70°
2
83°
63°
3
79°
61°
4
87°
67°
5
79°
65°
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 79° to 94°, with overnight lows between 61° and 70°. The average high for August is 85° with an average low of 66°. 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.
