S
M
T
W
T
F
S
27
54°
35°
28
54°
32°
29
55°
39°
30
54°
41°
1
55°
35°
2
55°
32°
3
53°
29°
4
51°
30°
5
52°
29°
6
50°
30°
7
51°
30°
8
Hist. Avg.
52°
33°
9
Hist. Avg.
52°
33°
10
Hist. Avg.
51°
32°
11
Hist. Avg.
50°
32°
12
Hist. Avg.
50°
32°
13
Hist. Avg.
49°
32°
14
Hist. Avg.
49°
31°
15
Hist. Avg.
48°
31°
16
Hist. Avg.
47°
31°
17
Hist. Avg.
47°
30°
18
Hist. Avg.
46°
30°
19
Hist. Avg.
46°
30°
20
Hist. Avg.
45°
30°
21
Hist. Avg.
44°
29°
22
Hist. Avg.
44°
29°
23
Hist. Avg.
43°
29°
24
Hist. Avg.
43°
28°
25
Hist. Avg.
42°
28°
26
Hist. Avg.
42°
28°
27
Hist. Avg.
41°
28°
28
Hist. Avg.
40°
27°
29
Hist. Avg.
40°
27°
30
Hist. Avg.
39°
27°
31
Hist. Avg.
39°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Forest Grove
Forest Grove's October 2026 forecast shows daily high temperatures ranging from 50° to 55°, with overnight lows between 29° and 41°. The average high for October is 53° with an average low of 33°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Forest Grove. See also: November | December | January.
